G0upl

30m CW Transceiver Norcal. The Radio he mentioned building in the rant is …. Rather, I am a simple enthusiast attempting to convey my love and enjoyment of radio, electronics, and computing and perhaps to inspire YOU to build something too. Jack Purdum W8TEE, famous in the BITX40 community. The second possible approach uses two standard silicon diodes to drop about 1. Be sure to click on the link provided by Hans, and from there go to the link to his FDIM proceedings article. At YOTA 2017 the participants will be building amazing CW transceivers designed by Hans, G0UPL. WWVB / DCF WSPR VCXO Controller for the G0XAR/G0UPL QRSS Transmitter Kit. com/authors/g0upl/+qrss-attiny/code. Hans Summers, G0UPL, is doing a great service to the amateur radio community by designing such a kit. 50 MHz Transceiver using a 3A5 tube - from Japan. Radio equipment, Transmitters and Receivers. Наш форум "SSB трансивер Полякова на 160 метров", возник 20 февраля 2005 года с подачи Александра Т. Web updates are available instantly. I used to use 2 servers stacked on top of each other but they were needed elsewhere. Thanks to James Tonne W4ENE as well for his wonderful free Class E design tool which can be downloaded at www. · 80m Unichip Transceiver - G0UPL · HF Dual-Conversion Transceiver - YO3DAC/YO3BAL · 20m CW Transceiver Norcal · 30m CW Transceiver Norcal · 40m CW Transceiver Norcal · 20m or 30m Image-Rejection Transceiver Norcal-2030 · 10m CW Transceiver K8IQY. This ultra-low power QRSS beacon was designed to be as efficient as possible, and produce a milliwatt or few from low voltage, low current supply. nycresistor. 75m DSB Transceiver - KE7HR. usbsoftrock Ubuntu package, from the softrock40 group Seeing the very lengthy instructions posted recently for how to install a set of SDR software for Ubuntu, I thought I'd make a (very small!) start on reducing that complexity. · 80m Unichip Transceiver - G0UPL · HF Dual-Conversion Transceiver - YO3DAC/YO3BAL · 20m CW Transceiver Norcal · 30m CW Transceiver Norcal · 40m CW Transceiver Norcal · 20m or 30m Image-Rejection Transceiver Norcal-2030 · 10m CW Transceiver K8IQY. The tuning knob features many menu options available with a simple push on the tuning knob. Written by Hans Summers Saturday, 11 July 2009 23:00 These preliminary pictures show my QRO ATU / Dummy Load / Power meter intended to be capable of handling the full 400W UK Legal maximum power at HF ( 30MHz). Modified frequency stabilizer for PSK31 reception The VFO is not stable enough for PSK31 reception. There is a ham close to me who totally overloads my receiver when he transmits at 100 watts. G0UPL 30m QRSS Junkbox Beacon This simple 30m QRSS beacon is built entirely out of junkbox parts, the only component purchased specifically for this project was the 10,140kHz crystal. Prior to putting the SW-3B on the air I hooked it up to my variable voltage power supply, a WM-2 QRP wattmeter and a dummy load to take readings of power out vs. To be published on a bimonthly basis, On the Air will offer new and beginner-to-intermediate-level radio amateurs a fresh approach to exploring …. Hans, the recipient of the 2019 Homebrew Heroes Award, was …. This kit comfortably produces 10W from a 12V supply. 071 MHz is at the time of writing (April 2020) the only operational beacon on the amateur 8-metre band. As a 2009 QRP ARCI Hall of Fame inductee - Hans Summers, G0UPL, is an electronic experimenter and amateur radio innovator extraordinaire. Para actualizar el firmware del Ultimate3 he usado el programador USBTinyISP junto con un Arduino UNO. To cover 40 mtr band ile. Jack Purdum W8TEE, famous in the BITX40 community. Well, the call sign is a little over three years old. 30m CW Transceiver Norcal. One final piece of content from the 2018 Hamvention. Written by Hans Summers Sunday, 02 January 2011 18:10 HP522 Frequency Counter manual. The amp provides 26dB gain with +/- 1dB gain flatness from 2 to 30MHz. Minimal ART Session 2017 - die Technik der Teilnehmer (Die Bilder lassen sich durch anklicken vergrößern) Hallo "Minimalisten" wie bisher hat Peter, DL6CGC mir auch in diesem Jahr eine Anzahl von Gerätefotos geschickt, die die Teilnehmer am MAS-Wettbewerb benutzt haben. An Arduino-based GPS Disciplined Oscillator Or, following in the footsteps of ZL1BPU and G0UPL, if I removed the Arduino's 16 MHz crystal and instead used the 10 MHz oscillator as the processor's clock, I could get around the 6. newly introduced QSX SDR transceiver kit. 1/2 Lamba end feed Fuchs Antenna Tuner The Fuchs Antenna was introduced by Arwed Fuchs, an Austrian Radio Amateur in 1928. You may use it for stripboards, perfboards, breadboards, and even for plain circuitry or […]. Jack Purdum W8TEE, famous in the BITX40 community. I make no claims for technical accuracy, good design, or necessarily even originality for the contents of these pages. Passed City & Guilds Radio Amateurs exam first time without attending any courses just taught myself via my long interest in electronics and a few books. Magnetic Loop Antenna. Installing and using HDSDR. An oscilloscope (often abbreviated o'scope or scope) displays signal voltages as a 2-D graph, usually as voltage (vertical axis) as a function of time (horizontal axis). Caver Radio Information Paul R. Hans Summers, G0UPL, is doing a great service to the amateur radio community by designing such a kit. Modified frequency stabilizer for PSK31 reception The VFO is not stable enough for PSK31 reception. El diseño construye el transceptor alrededor de un 74HC240 funcionando como oscilador de RF, buffer y amplificador de salida en transmisión. AD9850 - DDS without using a microcontroller (click to see the full circuit). This makes a $100 - ish project possible. Hans Summers G0UPL uses this approach in his very popular QRX QRP transceiver. 5 MHz external clock-frequency limitation. Tonight on a chat with partner, I was reminiscing about my Texas Instruments TI-99/4A my uncle gave me many years ago (sadly I don't have any more). Written by Hans Summers Friday, 01 January 2010 14:00 Introduction. Automatically Updating Active QRSS Grabbers List. It can be fully-continuous tuned through bands 80m-10m in the LSB/USB. It is very common with for example the WSPR kits from Hans Summers G0UPL. VF0 tuning is by ordinary zener diode's. I got a little bit of a chuckle when I read the article about the ARRL's newest publication, On the Air. Make a Shake LED Flashlight. Retour sur la page d'accueil : de multiples autres documents sur la radio vous attendent. Ridgeland, Mississippi— October 13, 2019— Today, the Homebrew Heroes Award Program announced its first annual recipient, Hans Summers, Call Sign G0UPL. * The local big-box office supply store wanted more than the list price of the QCX to print a color manual - even just B/W was more than Hans charges for the kit plus shipping. Here are preliminary photos of Frederick M0RFD's Spectrum Analyser build, with nice PCB layouts. The kit is packed with features and can be used after YOTA 20. Faint traces of G0UPL at the bottom of this image. I'm not sure at what point QRSS came into sharp focus for me, but it represents quite a logical step given my interest in QRP. The transmitter's amplified signal is filtered with a 7 element Chebyshev low pass filter based on the short guide to harmonic filters of G3RJV. The Ultimate3 QRSS/WSPR Transmitter Kit is the third version in the "Ultimate" QRSS/WSPR kit trilogy. includes schematic etc. Advanced Startup features Select Profile, DLL. VFO Stabilizer - PY2MG. George attended the event on Thursday and was able to capture talks by Hans Summers G0UPL of QRP. Check out 74!, The Knights QRSS Winter Compendium Newsletter that contains highlights from the last year in the QRSS community; Update grabber information by following instructions on the QRSS Plus GitHub page. 3V, +5V, +12V, -5V, -12V Kenwood 5MHz single-channel oscilloscope Ex-PC loudspeaker. LightAPRS is the most affordable, smallest, lightest, powerful and one of few open source APRS trackers available. Hans Summers G0UPL of QRP-LABS produces a range of really stunning high quality kits at very modest prices. 40m CW Transceiver Norcal. Well, the call sign is a little over three years old. I also recommend that you read Hans Summers excellent follow-up designs and notes (based on Onno's circuit(s) at Hans Summers G0UPL 2-CHIP FREQUENCY COUNTER (2017) As inspired by the work of Onno PA2OHH and Hans G0UPL this is my variation of the 2 chip LED display frequency counter. That because it is so wide from 270MHz VFO tune coder is HRPG-ASCA. I put the manual on an old iPad and propped it up near my work area. 147 And the the latest backup time will be noted in your. The event is home to a large collection of amateurs passionate about low power operation and building their own radios. Now this was a perfect SOTA location, I stayed on top overnight and used the flag pole to my right to support a 40m/20m dipole, you can see the fixture I connected to, the little ring clamp, as soon as the cable car stopped for the night out came the radio gear, it even snowed!. Hans pays careful attention to compact and minimal parts count to achieve the design goals of his homebrew projects. Martin has 13 jobs listed on their profile. Arduino UNO tiene un ATMEGA328P y Ultimate3 un ATMEGA328. Mike Bryce, WB8VGE, collects and restores the old Heathkit and Drake rigs that we remember from the 60s and 70s, works QRP on his favorite Ten-Tec transceivers, and has enough solar electric power to run power his whole house and his rigs. It is unbelievably useful!. QSX (QRP Labs SSB Xcvr) is a SSB transceiver with 10-band (160m-10m) and enclosure options. Hans Summers G0UPL är för många en välkänd konstruktör och innovatör. The event is home to a large collection of amateurs passionate about low power operation and building their own radios. 73 Daniele IZ5WWB. The Ultimate-3 is synchronised externally with the high performance GPS module Skylab SKM52 (fitted in a separate plastic enclosure). I found this method results in a somewhat higher supply voltage to the SugarCube VFO, typically 3. It is so obsolete I couldn't find its datasheet anywhere on the web. Aby dowiedzieć się więcej, a także jak kontrolować pliki cookies, przejdź na tą stronę: Polityka cookies. com/2010/06/26/crossing-the-pond-with-100 Show more. Favorite electronic and ham radio links. I have had several from the East at around 6UKP. There seems to have been an upsurge in people operating WSPR recently. Pierre ON5SL, 13:18. Installing and using HDSDR. Magnetic Loop Antenna. 50 you can't really go wrong. 73 Daniele IZ5WWB. Description: A $15 QRSS transmitter kit and a WWVB or DCF receiver provide a simple and inexpensive way to build a PC-less WSPR beacon. includes schematic etc. Written by Hans Summers Friday, 02 October 2009 06:04 M0RFD Spectrum Analyser. Modified frequency stabilizer for PSK31 reception The VFO is not stable enough for PSK31 reception. George attended the event on Thursday and was able to capture talks by Hans Summers G0UPL of QRP-Labs fame and Dr. 80m DSB Transceiver - PA3ANG. The event is home to a large collection of amateurs passionate about low power operation and building their own radios. Project Source Code and Files. Radio Electronics Projects - Hans Summers G0UPL. Hans Summers G0UPL Receives First Homebrew Heroes Award Ridgeland, Mississippi— October 13, 2019 — Today, the Homebrew Heroes Award Program announced its first annual recipient, Hans Summers, Call Sign G0UPL. However I selected a non-typical assortment - the one on the left is a so-called "Magic-Eye", in old radio receivers the white strip in the valve would glow a green kind of colour to indicate tuning strength. That because it is so wide from 270MHz VFO tune coder is HRPG-ASCA. However, the pot shaft needed to be shortened about 5 or 6 mm (I used a cut-off disc and my Dremmel Tool). The Radio he mentioned building in the rant is …. It is so obsolete I couldn't find its datasheet anywhere on the web. 8V is 37 mA with the backlight off, 43 mA with the light on. G0UPL : Ce site en anglais fait la synthèse des articles amateurs sur les circuits stabilisateurs de fréquence (CIRCUITS HUFF and PUFF) et l'emploi de diodes diverses en varicap. Here I present my 2'nd year university physics project, undertaken while at Imperial College, London university. An Arduino-based GPS Disciplined Oscillator Or, following in the footsteps of ZL1BPU and G0UPL, if I removed the Arduino's 16 MHz crystal and instead used the 10 MHz oscillator as the processor's clock, I could get around the 6. Neil, W2NDG has received his v6 uBITx and has it up and running. Radio Electronics Projects – Hans Summers G0UPL This ultra-low power QRSS beacon was designed to be as efficient as possible, and produce a milliwatt or few from low voltage, low current supply. 80 for the LF options and $33 for the HF/VHF versions). When G0UPL and YL came to stay from London which is far away. The Ultimate3 QRSS/WSPR Transmitter Kit is the third version in the "Ultimate" QRSS/WSPR kit trilogy. The panel is drilled, cut and printed for the QCX CW transceiver. A detailed look at three different methods of operating the low power WSPR mode. Hans, the recipient of the 2019 Homebrew Heroes Award, was …. Prior to putting the SW-3B on the air I hooked it up to my variable voltage power supply, a WM-2 QRP wattmeter and a dummy load to take readings of power out vs. Ridgeland, Mississippi— October 13, 2019— Today, the Homebrew Heroes Award Program announced its first annual recipient, Hans Summers, Call Sign G0UPL. As consequence arise usually strengthened homebrewing, spontaneous QRP activities and a generally increased joy in the hobby. 4V) which I think is too high for the Si5351a and this OLED display. At YOTA 2017 the participants will be building amazing CW transceivers designed by Hans, G0UPL. Under normal circumstances the START pin is pulled high when a remote tuner is attached to tell the radio that the tuner is present. 1/2 Lamba end feed Fuchs Antenna Tuner The Fuchs Antenna was introduced by Arwed Fuchs, an Austrian Radio Amateur in 1928. Lien Communiqué de presse [PDF] Lien. LEFT: General view of the riskometer under construction in a store room in the office basement. Hans, G0UPL, Ultimate3 QRSS kit (the software is proprietary thus no source code) Andy, G4JNT, has PIC16F628 code available for AD9852, LMX2470 and LMX2541 Guenael, VA2GKA, has implemented a beacon using an ADF4355. Ads for direct QSL: Hans Summers, 2 Hillview, Highgate Road, Forest Row, E. Using an Arduino to program another chip. To celebrate the newly allocated US 630m and 2200m bands, QRP Labs are offering the 630m and 2200m versions of the Ultimate3S kit for the discounted price of $25 (normal price is $33. My intention was to investigate the use of natural power sources to operate the beacon. I used to use 2 servers stacked on top of each other but they were needed elsewhere. 10 MHz CW transceiver 1 watt QRP, the 40-30 designed by NE-QRP club PA2OHH. George attended the event on Thursday and was able to capture talks by Hans Summers G0UPL of QRP. 40m CW Transceiver Norcal. Written by Hans Summers Saturday, 24 January 2009 19:23 I hope you can see by the ruler that this clock is very, very small. In the summer holidays of 1992, I worked in the Tribology group in the department of mechanical engineering at Imperial College, University of London where I had just completed the 2'nd year of my Physics degree. Hans discusses the success of the QCX CW phasing rig -- more than 7,300 sold. В начале 2015 года стала доступна новая версия WSPR TX контроллера Ultimate3S, разработанная Hans, G0UPL. 40 MHz to 70 MHz 3-band Frequency Stabilizer - DC4KU. I would like to acknowledge Wes Hayward W7ZOI, Mike Rainey AA1TJ and Hans Summers G0UPL for providing ideas and inspiration for the Classie. He never hears me, but he certainly affects my reception. George attended the event on Thursday and was able to capture talks by Hans Summers G0UPL of QRP-Labs fame and Dr. J'ai encore un peu de travail autour de cela, mais pour les curieux voici les résultats de quelques heures de réflexion ce matin. This device has long been obsolete and was never made in a 74LS100 version. Pierre ON5SL, 13:18. Sussex, RH18 5AZ, England. Centre: At the top and bottom of the cathode ray tube, just inside the front panel, were mounted these two large loops!. 430 MHz SSB. Beim ersten Einschalten blinkt die LED zweimal auf, dann geht sie aus und wartet auf Unterdruck. Although it is a worldwide allocation, rules vary according to where you are. The ELECTRONS Rule: Do not do unto others, what you would not like done unto yourself. Huff-and-Puff VFO Stabilizer - WN5Y. VFO Stabilizer - PA0KSB. 03) designed to accompany his very popular QCX transceiver sold through his company, QRP-Labs. It can be fully-continuous tuned through bands 80m-10m in the LSB/USB. QRP Labs has been producing kits for radio amateurs continuously since May 2010. For this you need a dongle, search Ebay, for example for " RTL2832U" a description is "FM+DAB USB DVB-T RTL2832U+R820T w/ MCX antenna" RTL2832U and R820T will give the required device. While there have been some gaps in its operation over the last three years, this blog post is a record of who posted reception reports on the DX Cluster. Faint traces of G0UPL at the bottom of this image. Radio G0UPL Written by Hans Summers Sunday, 05 April 2009 15:00 QSL Card, 2003 Station photograph shows (from left to right): Ex-PC PSU, rehoused in aluminium box. 1/2 Lamba end feed Fuchs Antenna Tuner The Fuchs Antenna was introduced by Arwed Fuchs, an Austrian Radio Amateur in 1928. GSM/GPRS Data logger, which can measure analogue or digital inputs, cache them in memory and upload them via the GSM/GPRS network to an internet database, send via email or SMS, etc. Written by Hans Summers Saturday, 03 October 2009 22:49 Positive Feedback Circuit for Isometric Muscle Experiments By Hans Summers, May 1992. It both looks and sounds great. It gets the +5V from the Ultimate-3 and is internally stabilised to +3. The Ultimate-3 is synchronised externally with the high performance GPS module Skylab SKM52 (fitted in a separate plastic enclosure). A really good suggestion and link came from my friend Enrico IW3FZQ. I recently installed SDR software on an Acer Aspire One D270 "netbook" This has Windows 7 32 bit Starter edition, an Atom. To celebrate the newly allocated US 630m and 2200m bands, QRP Labs are offering the 630m and 2200m versions of the Ultimate3S kit for the discounted price of $25 (normal price is $33. My intention was to investigate the use of natural power sources to operate the beacon. Written by Hans Summers Sunday, 02 January 2011 18:10 HP522 Frequency Counter manual. Transmit and Receive IQ balance (Link) Including RX DC Removal (Centre spike) if present. This device has long been obsolete and was never made in a 74LS100 version. by Hans Summers. 1/2 Lamba end feed Fuchs Antenna Tuner The Fuchs Antenna was introduced by Arwed Fuchs, an Austrian Radio Amateur in 1928. 03) designed to accompany his very popular QCX transceiver sold through his company, QRP-Labs. The K6HX Arduino QRSS Beacon (ala Hans Summers, G0UPL) So, today I drove down to HSC in Sunnyvale and got (among other things) some trimmer capacitors so I could tune my beacon, and when I got back, I set to work. General Features and Operation. But it happened to Hans Summers G0UPL as he was doing development work on the firmware (version 1. usbsoftrock Ubuntu package, from the softrock40 group Seeing the very lengthy instructions posted recently for how to install a set of SDR software for Ubuntu, I thought I'd make a (very small!) start on reducing that complexity. Hans pays careful attention to compact and minimal parts count to achieve the design goals of his homebrew projects. An oscilloscope (often abbreviated o'scope or scope) displays signal voltages as a 2-D graph, usually as voltage (vertical axis) as a function of time (horizontal axis). The time has come to call for nominations for election to the QRP ARCI 'QRP Hall of Fame'. 10m CW Transceiver K8IQY. An eclectic mix of homebrew projects that were sometimes quirky, sometimes innovative, sometimes cheap, sometimes ridiculous - but always fun and filled with passion! In 1994 Hans was licensed as G0UPL and later, US Extra AF7BF and Japanese call JI1BVC. Magnetic Loop Antenna. 30m CW Transceiver Norcal. VFO Estables - PLL: One chip VFO Stabilizer - G0UPL. These instruments generate sine and square waveforms up to 7 MHz or 12 MHz, including triangle waveforms up to 1 MHz. Hi all, In case you haven't already come across this fascinating piece of news and looked at http://qrp-labs. At YOTA 2017 the participants will be building amazing CW transceivers designed by Hans, G0UPL. Pat Hawker G3VA, the RadCom "Technical Topics" columnist, was the primary disseminator of Huff & Puff information; however, there is now a website where you can read almost everything ever written on the subject: Hans Summers G0UPL has compiled a comprehensive collection of links and scanned articles. VF0 tuning is by ordinary zener diode’s. The following pages contain some items from the archives, including a batch of QSL cards from around 1938, some of Dad's radio circuits, and a couple of pieces of equipment. QSX SDR Transceiver. 80m DSB Transceiver - PA3ANG. George attended the event on Thursday and was able to capture talks by Hans Summers G0UPL of QRP-Labs fame and Dr. QRP CW op de 30 meter band by PA2RF (in Dutch) Si570 based 30m QRSS beacon by G0UPL. See previous post. He is Hans Summers, G0UPL, of East Sussex in the UK. Exploding power amplifier transistors! Hmm…that's not a good start to any ham's operating session. Hans, the recipient of the 2019 Homebrew Heroes Award, was …. Pierre ON5SL, 13:18. I'm not sure at what point QRSS came into sharp focus for me, but it represents quite a logical step given my interest in QRP. [Note 1] The 74100 is a dual 4-bit latch, and I used four in my frequency counter project. The µBITX has a carefully thought-out operator interface. 75m DSB Transceiver - KE7HR. I am a simple enthusiast attempting to convey my love and enjoyment of radio, electronics, and computing and perhaps to inspire YOU to build something too. Written by Hans Summers Friday, 01 January 2010 14:00 Introduction. An oscilloscope (often abbreviated o'scope or scope) displays signal voltages as a 2-D graph, usually as voltage (vertical axis) as a function of time (horizontal axis). Fldigi and WSPR shown. Radio Electronics Projects - Hans Summers G0UPL This ultra-low power QRSS beacon was designed to be as efficient as possible, and produce a milliwatt or few from low voltage, low current supply. 21st Century Homebrew SDR SSB Transceiver Project Aside from installing a new Codec board and taking a tip from Hans Summers g0upl, today the 600 Ohm to 600 Ohm. A detailed look at three different methods of operating the low power WSPR mode. 73 Daniele IZ5WWB. The dashes at the top are my good friend Peter DL6NL. 20m or 30m Image-Rejection Transceiver Norcal-2030. Thanks to James Tonne W4ENE as well for his wonderful free Class E design tool which can be downloaded at www. Low power QRSS beacon – Hans Summers G0UPL. Exploding power amplifier transistors! Hmm…that's not a good start to any ham's operating session. Hans Summers, G0UPL (2009. Written by Hans Summers Monday, 03 January 2011 18:57 I gave a talk on QRSS at the Crawley Amateur Radio Club in August 2010. This is a video production of the complete talk - please note that the programme actually starts after around 7'45 so it is worth skipping to that on the timeline (unfortunately we are unable to edit Video recordings on Facebook Live). The kit inherits all the functionality of the famous QCX single-band CW. Hans Summers G0UPL explain, how to get clear frequency change without clicks and how to get I/Q 90 degree working Power amplifier circuit is copy of FT817 PA. HamCall™ World-Wide Callsign Database World's largest QSL database! 47,875,336 successful callsign searches so far! Over 13,380,919 callsigns in the HamCall database. Written by Hans Summers Wednesday, 09 March 2016 11:02 This is a very simple mixer which I use often in the shack for testing things. I would like to acknowledge Wes Hayward W7ZOI, Mike Rainey AA1TJ and Hans Summers G0UPL for providing ideas and inspiration for the Classie. Learn on Gadget Hacks and Making Things September 26, 2018 0. When you press 'TUNE' the radio pulls the pin low telling the tuner to start the matching sequence. VFO Estables - PLL: One chip VFO Stabilizer - G0UPL. A message length (callsign) of eight characters and vocabulary of 38 characters result in 38 8 equivalent to 4 347 792 138 496 combinations. 75m DSB Transceiver - KE7HR. Plug-in LPF filters are available for all 12. Ultimate idea: Feld-Hell on 20m. * The local big-box office supply store wanted more than the list price of the QCX to print a color manual - even just B/W was more than Hans charges for the kit plus shipping. It both looks and sounds great. When the family would go on trips, I always tried to get caves involved in the trip. WB4HFN Amateur Radio Website February 7, 2010 0. Home Counties QRP Circle. My intention was to investigate the use of natural power sources to operate the beacon. Pinout of the Icom Ic706 tuner socket Pin 1 is the KEY pin, it's pulled low by the tuner to tell the radio to start transmitti. I hope this works for you - and keeps your log(s) nice and safe. I used to use 2 servers stacked on top of each other but they were needed elsewhere. by Hans Summers. I have had several from the East at around 6UKP. At YOTA 2017 the participants will be building amazing CW transceivers designed by Hans, G0UPL. QCX (QRP Labs CW Xcvr) is a kit designed by Hans Summers (G0UPL), originally built for RSGB's YOTA summer camp 2017, a high performance, image rejecting DC transceiver; basically a simplified implementation of the NorCal 2030 by Dan Tayloe (N7VE) designed in 2004 combined with a Hi-Per-Mite Active Audio CW Filter by David Cripe (NMØS), Low. According to the article, ARRL is launching a new magazine, On the Air, in January 2020. Hans pays careful attention to compact and minimal parts count to achieve the design goals of his homebrew projects. My intention was to investigate the use of natural power sources to operate the beacon. A talk with Hans Summers G0UPL - the man behind QRP-Labs. Hi all, In case you haven't already come across this fascinating piece of news and looked at http://qrp-labs. When the family would go on trips, I always tried to get caves involved in the trip. I received my SW-3B QRP CW transceiver several days ago and would like to offer a few details to others who may be interested. G1KQH I have been a licenced Ham since 1984. It both looks and sounds great. As consequence arise usually strengthened homebrewing, spontaneous QRP activities and a generally increased joy in the hobby. The second possible approach uses two standard silicon diodes to drop about 1. Using an Arduino to program another chip. Plug-in LPF filters are available for all 12. 2 x Huff-and-Puff VFO Stabilizers - RSGB. I cc'd Hans -- we got this nice and very informative e-mail. A really good suggestion and link came from my friend Enrico IW3FZQ. The antenna is a DX80 off center fed dipole with its vertex at 15 feet. Project Source Code and Files. The project is basically a scaled up version of my QRP ATU manufactured in 1994. The µBITX is an understandable radio and, hence, can also be a learning experience. Techy stuff , (A radio ham in the wilderness). 50 MHz Transceiver using a 3A5 tube - from Japan. An Open Source “Learning EDA” Software which can setup circuit layouts. The complexity is kept to a minimum so you can always repair and make changes if you so desire. Il me faut maintenant connecter cela sur la balise QRSS du kit de G0UPL / G0XAR et voir comment cela se comporte en particulier du point de vue dérive de la synchronisation dans le temps. When the family would go on trips, I always tried to get caves involved in the trip. Written by Hans Summers Monday, 11 January 2010 20:42 In the Autumn of 1992 I designed a processor that would use only TTL-logic chips. 75m DSB Transceiver - KE7HR. Jack Purdum W8TEE, famous in the BITX40 community. As a 2009 QRP ARCI Hall of Fame inductee - Hans Summers, G0UPL, is an electronic experimenter and amateur radio innovator extraordinaire. Arduino Sketch The Arduino sketch I have modified and that works for the AD9850 and my GPS can be downloaded from here. Hans talks about the development of his smash hit new transceiver kit, the QCX and Jack talks to us about homebrewing. Written by Hans Summers Saturday, 20 June 2009 15:38 A very simple experimental short wave radio receiver. In the circuit (left) I have used is a combination of the VXO from one of those links, with the push pull circuit shown on PY2OHH's page. 30m QRSS Receiver by G0UPL. Here are preliminary photos of Frederick M0RFD's Spectrum Analyser build, with nice PCB layouts. The equations for motional inductance Lm and motional capacitance Cm are shown to the right. Het bouwpakket wijkt enigszins af van de oorspronkelijke beschrijving, tevens is het zeer uitvoerig gedocumenteerd. Fortunately the 3 supply rails can be easily separated (it is a feature of G0UPL's design), by simply removing 2 links installed at assembly time. Hombrewing a QRSS Beacon 30m QRSS Beacon Transmitter This beacon puts out about 0. That is very understandable, it is a simple and open, unscreened construction. Faint traces of G0UPL at the bottom of this image. About G0UPL 30m QRSS Junkbox Beacon The resource is currently listed in dxzone. However, the pot shaft needed to be shortened about 5 or 6 mm (I used a cut-off disc and my Dremmel Tool). See the complete profile on LinkedIn and discover Martin’s connections and jobs at similar companies.    The amp provides 26dB gain with +/- 1dB gain flatness from 2 to 30MHz. Exploding power amplifier transistors! Hmm…that's not a good start to any ham's operating session. Radio Electronics Projects – Hans Summers G0UPL This ultra-low power QRSS beacon was designed to be as efficient as possible, and produce a milliwatt or few from low voltage, low current supply. I bought filters for 20m and 30m so at some point I will implement antenna switching as well. nycresistor. This should ensure that expansion of the oil doesn't cause the can to burst. Be sure to click on the link provided by Hans, and from there go to the link to his FDIM proceedings article. This annual award recognizes persons, groups or organizations who help define the frontiers in amateur radio technology through the. Hans, G0UPL is currently active as TA4/G0UPL from Turkey. Ultimate idea: Feld-Hell on 20m. Written by Hans Summers Friday, 02 October 2009 06:04 M0RFD Spectrum Analyser. UPDATE 2 : In June 2018, I met Hans G0UPL in Friedrichshafen, and showed him my build. Written by Hans Summers Monday, 08 November 2010 20:25 Arising from a debate between friends Arv K7HKL, Ian K3IMW, John VK6JY and myself, I decided to trace some I-V curves for LED's and "normal" diodes. An oscilloscope (often abbreviated o'scope or scope) displays signal voltages as a 2-D graph, usually as voltage (vertical axis) as a function of time (horizontal axis). Fue por entonces que una entrega de la revista Lupin capturó mi atención y terminó siendo el primer equipo transistorizado de AM que construí para la banda de 80 mts. Huff-and-Puff VFO Stabilizer - WN5Y. G0UPL 30m QRSS MEPT kit www. It was only a few weeks ago that [Bill] posted a guest rant here on Hackaday. VF0 tuning is by ordinary zener diode’s. By mounting the pot and encoder off board I did not need to build extenders. A simple and inexpensive way to build a PC-less WSPR beacon. Feb, 19, 2011: (A complete rebuild of this site is well overdue! However I am not sure when I will have the time to do that. His current QCX model which is a 5 watt mono-band CW transceiver has sold over 5000 units to date and sells for just $49. But it happened to Hans Summers G0UPL as he was doing development work on the firmware (version 1. El amigo Hans G0UPL ha creado un kit Ultimate3 QRSS/WSPR que es una maravilla para realizar pruebas en estos modos. Comment from designer Hans G0UPL: "During the summer of 2019 the 40m version of this amplifier was tested extensively here in QTH KM46, with well over 500 QSOs in the log. I didn't actually build it, which would have required hundreds (probably thousands) of chips, and days containing significantly more than the standard 24 hours provided. Supplies +3. In the circuit (left) I have used is a combination of the VXO from one of those links, with the push pull circuit shown on PY2OHH's page. That is why we have to stabilize the VFO with a frequency stabilizer. Radio Electronics Projects - Hans Summers G0UPL This ultra-low power QRSS beacon was designed to be as efficient as possible, and produce a milliwatt or few from low voltage, low current supply. WB4HFN Amateur Radio Website February 7, 2010 0. The Ultimate-3 is synchronised externally with the high performance GPS module Skylab SKM52 (fitted in a separate plastic enclosure). For this you need a dongle, search Ebay, for example for " RTL2832U" a description is "FM+DAB USB DVB-T RTL2832U+R820T w/ MCX antenna" RTL2832U and R820T will give the required device. It contains 5 buttons and one 5mm green LED. QRP Labs is a hobbyist operation, ran by radio amateurs for the benefit of radio amateurs. HF Dual-Conversion Transceiver - YO3DAC/YO3BAL. More writeup later. Radio Electronics Projects – Hans Summers G0UPL This ultra-low power QRSS beacon was designed to be as efficient as possible, and produce a milliwatt or few from low voltage, low current supply. 40/80m CW Transmitter - 6BM8 amateur radio rig with 8 watts ouput by G0UPL. This annual award recognizes persons, groups or organizations who help define the frontiers in amateur radio technology through the long-standing tradition of "home brew" construction. That was not possible with a normal Huff & Puff circuit, but it was possible with a modified version. Check out 74!, The Knights QRSS Winter Compendium Newsletter that contains highlights from the last year in the QRSS community; Update grabber information by following instructions on the QRSS Plus GitHub page. Small valves: A few small valves, some of these would typically be found in old radio receivers or televisions. G0UPL : Ce site en anglais fait la synthèse des articles amateurs sur les circuits stabilisateurs de fréquence (CIRCUITS HUFF and PUFF) et l'emploi de diodes diverses en varicap. QRP Hall of Fame. Hans pays careful attention to compact and minimal parts count to achieve the design goals of his homebrew projects. Both the VXO and the push pull amplifier are unlike most of the other 74HC240 circuits on the internet. nycresistor. So far received 1 votes for a total score of 9. HamCall™ World-Wide Callsign Database World's largest QSL database! 47,875,336 successful callsign searches so far! Over 13,380,919 callsigns in the HamCall database. I got a little bit of a chuckle when I read the article about the ARRL's newest publication, On the Air. Schematic diagrams and printlayout (except the Ultimate3 part of G0UPL) can be found in subfolder 'Schematic'. This can be represented by 42 bits. He is working on HF Bands. My intention was to investigate the use of natural power sources to operate the beacon. Homebrew 30m CW Transceiver by 7n3wvm. This idea is from OM Hans Summers G0UPL. This link is listed in our web site directory since Friday Feb 16 2007, and till today "G0UPL 30m QRSS Junkbox Beacon" has been followed for a total of 746 times. Jack Purdum W8TEE, famous in the BITX40 community. This circuit shown below is adapted from a Hungarian radio. 80m 5W CW Transceiver (http://www. QRP Hall Of Fame inductees are usually announced at FDIM (Four Days In May) and in the July issue of QRP Quarterly. If you are in the field. Plug-in LPF filters are available for all 12. However I selected a non-typical assortment - the one on the left is a so-called "Magic-Eye", in old radio receivers the white strip in the valve would glow a green kind of colour to indicate tuning strength. VF0 tuning is by ordinary zener diode's. Radio Electronics Projects – Hans Summers G0UPL This ultra-low power QRSS beacon was designed to be as efficient as possible, and produce a milliwatt or few from low voltage, low current supply. The tuning knob features many menu options available with a simple push on the tuning knob. Radio G0UPL Written by Hans Summers Sunday, 05 April 2009 15:00 QSL Card, 2003 Station photograph shows (from left to right): Ex-PC PSU, rehoused in aluminium box. If TA4/G0UPL is your callsign and you would like to fill out your profile or update your biography, you can register here and change the data afterwards. Thanks to James Tonne W4ENE as well for his wonderful free Class E design tool which can be downloaded at www. The valve is a massive TB4/1500 and I'm using a microwave oven transformer as a filament power supply. WWVB WSPR VCXO Controller For The G0XAR/G0UPL QRSS Transmitter Kit. Fue por entonces que una entrega de la revista Lupin capturó mi atención y terminó siendo el primer equipo transistorizado de AM que construí para la banda de 80 mts. This circuit shown below is adapted from a Hungarian radio. 6AG7-6L6 MOPA 8W Transmitter - with plans. That is very understandable, it is a simple and open, unscreened construction. Written by Hans Summers Monday, 03 January 2011 18:57 I gave a talk on QRSS at the Crawley Amateur Radio Club in August 2010. I had resigned myself to the idea that the QSX project from Hans G0UPL had proved overwhelming - thus the long delay and perhaps cancellation. The vertical leg of the T lies on a piece of wood spanning the desks on either side of the room, with an appropriately sized golf bag in the middle for extra support. solardiz writes: John the Ripper is the oldest still evolving password cracker program (and Open Source project), first released in 1996. 80 for the LF options and $33 for the HF/VHF versions). Doug Hendricks on November 5, 2019 at 10:28 AM # Reply; Hans, I am referring to the amount of bandwidth taken up by the 100 Watt signal. Be sure to click on the link provided by Hans, and from there go to the link to his FDIM proceedings article. Faint traces of G0UPL at the bottom of this image. Irish 60 MHz beacon EI1KNH/B heard in West Wales - March 2020 Back in early 2018, the 60 MHz (5-metre) band was allocated to radio amateurs in Ireland (EI) on a secondary non-interference basis. However I selected a non-typical assortment - the one on the left is a so-called "Magic-Eye", in old radio receivers the white strip in the valve would glow a green kind of colour to indicate tuning strength. buy an LPF kit from Hans Summers, G0UPL For £2. The kit is packed with features and can be used after YOTA 20 QRP Labs shared a post. Barely a day goes by (sometimes barely an hour) without someone posting a map of where their signals have been received on Twitter. It is named for QRS, a Q-code indicating "send more slowly". The Homebrew Heroes Award Program has announced its first annual recipient. An eclectic mix of homebrew projects that were sometimes quirky, sometimes innovative, sometimes cheap, sometimes ridiculous - but always fun and filled with passion! In 1994 Hans was licensed as G0UPL and later, US Extra AF7BF and Japanese call JI1BVC. Hans Summers G0UPL uses this approach in his very popular QRX QRP transceiver. Exploding power amplifier transistors! Hmm…that’s not a good start to any ham’s operating session. 0 MH2 to 741 MHz, the VF0 covers 5. To be published on a bimonthly basis, On the Air will offer new and beginner-to-intermediate-level radio amateurs a fresh approach to exploring …. When G0UPL and YL came to stay from London which is far away. 21st Century Homebrew SDR SSB Transceiver Project. I bought filters for 20m and 30m so at some point I will implement antenna switching as well. When the family would go on trips, I always tried to get caves involved in the trip. I used to use 2 servers stacked on top of each other but they were needed elsewhere. FCC updates are processed as they are released by the FCC. seeing a post on AE5X's blog in which he talked about a QRSS transmitter kit designed and manufactured by Hans Summers G0UPL and Stephen Farthing G0XAR. This is a video production of the complete talk - please note that the programme actually starts after around 7'45 so it is worth skipping to that on the timeline (unfortunately we are unable to edit Video recordings on Facebook Live). 0-jumbo-1, which has just been announced with a lengthy list of changes, is the first release to include FPGA support (in addition to CPU, GPU, and Xeon Phi). Fldigi and WSPR shown. Using an Arduino to program another chip. and it will be available in November 2018. Everyone who is making experiments with slow code modes like QRSS, DFCW, FSKCW, HELL or any other fuzzy modes that require FFT spectogram images for decoding, soon or later realizes that the collection of reception reports is not an easy task. The o'scope is one of the most important pieces of test equipment because it lets you look at what is happening in different parts of a circuit. 0 MH2 to 741 MHz, the VF0 covers 5. When enabled, it sends a "QUnn;" notification to the host CAT application, where nn is a bit-mapped number informing the host CAT application what the operator changed on the QCX. Hans Summers G0UPL explain, how to get clear frequency change without clicks and how to get I/Q 90 degree working Power amplifier circuit is copy of FT817 PA. Radio Electronics Projects – Hans Summers G0UPL This ultra-low power QRSS beacon was designed to be as efficient as possible, and produce a milliwatt or few from low voltage, low current supply. Huff-and-Puff VFO Stabilizer - WN5Y. com/ultimate3/ve3kcl-balloons/ve3kcl-s3. From RIT, to. Muy a mis comienzos operaba, como la mayoría, en 80 mts AM con un equipo valvular. QSX (QRP Labs SSB Xcvr) is a SSB transceiver with 10-band (160m-10m) and enclosure options. The amount depends on your choice of knobs. Written by Hans Summers Saturday, 03 October 2009 22:49 Positive Feedback Circuit for Isometric Muscle Experiments By Hans Summers, May 1992. The complexity is kept to a minimum so you can always repair and make changes if you so desire. Congratulations, Hans! An expanded version of Hans's QCX story is here. A PI4 message might on special occasions be used for other purposes than a callsign by using the following syntax:. QRP CW op de 30 meter band by PA2RF (in Dutch) Si570 based 30m QRSS beacon by G0UPL. ICQ hosts Martin Butler, M1MRB, and Colin Butler, M6BOY, along with contributor Frank Howell. A manual is available online here. QSL via home call. Fldigi and WSPR shown. Schematic diagrams and printlayout (except the Ultimate3 part of G0UPL) can be found in subfolder 'Schematic'. Ultimate idea: Feld-Hell on 20m. G0UPL personal biography. Hans Summers G0UPL uses this approach in his very popular QRX QRP transceiver. Check out 74!, The Knights QRSS Winter Compendium Newsletter that contains highlights from the last year in the QRSS community; Update grabber information by following instructions on the QRSS Plus GitHub page. The SW-3B has some obvious similarities to KD1JV's MTR-3B - and some significant differences. Colin M6BOY rounds up the news in brief and this episode's feature is Homebrew Heroes. Magnetic Loop Antenna. Caver Radio Information Paul R. The kit is packed with features and can be used after YOTA 20. It is very common with for example the WSPR kits from Hans Summers G0UPL. usbsoftrock Ubuntu package, from the softrock40 group Seeing the very lengthy instructions posted recently for how to install a set of SDR software for Ubuntu, I thought I'd make a (very small!) start on reducing that complexity. A simple and inexpensive way to build a PC-less WSPR beacon. ICQ hosts Martin Butler, M1MRB, and Colin Butler, M6BOY, along with contributor Frank Howell. The complexity is kept to a minimum so you can always repair and make changes if you so desire. Основным отличием версии Ultimate3S от предыдущей версии Ultimate3 является возможность использования. Transmit and Receive IQ balance (Link) Including RX DC Removal (Centre spike) if present. John the Ripper 1. If you are in the field. About G0UPL 30m QRSS Junkbox Beacon The resource is currently listed in dxzone. I had resigned myself to the idea that the QSX project from Hans G0UPL had proved overwhelming - thus the long delay and perhaps cancellation. His current QCX model which is a 5 watt mono-band CW transceiver has sold over 5000 units to date and sells for just $49. A message length (callsign) of eight characters and vocabulary of 38 characters result in 38 8 equivalent to 4 347 792 138 496 combinations. 10 MHz CW transceiver 1 watt QRP, the 40-30 designed by NE-QRP club PA2OHH. 40m CW Transceiver Norcal. July 12, 2017 · Come visit QRP Labs at Friedrichshafen hamfair, 14/15/16 July, stand A1-612!. This device has long been obsolete and was never made in a 74LS100 version. A good reference material on this topic is Crystal Motional Parameters, A Comparison of Measurement Approaches, by Jack Smith K8ZOA. We saw many commercial caves and a few wild caves. This is basically just a crystal radio with two stages of transistor amplification afterwards. 20m CW Transceiver Norcal. 03) designed to accompany his very popular QCX transceiver sold through his company, QRP-Labs. Hans Summers G0UPL Receives First Homebrew Heroes Award Ridgeland, Mississippi— October 13, 2019 — Today, the Homebrew Heroes Award Program announced its first annual recipient, Hans Summers, Call Sign G0UPL. Written by Hans Summers Saturday, 11 July 2009 10:34 Another mod by Jim G4NWJ provides a fine tuning capability which makes it much easier to tune in CW and SSB signals. Hans Summers G0UPL uses this approach in his very popular QRX QRP transceiver. HF Dual-Conversion Transceiver - YO3DAC/YO3BAL. 50 MHz Transceiver using a 3A5 tube - from Japan. 30m CW Transceiver Norcal. Radio equipment, Transmitters and Receivers. Description: A $15 QRSS transmitter kit and a WWVB or DCF receiver provide a simple and inexpensive way to build a PC-less WSPR beacon. That is very understandable, it is a simple and open, unscreened construction. Thanks to James Tonne W4ENE as well for his wonderful free Class E design tool which can be downloaded at www. He never hears me, but he certainly affects my reception. J’ai encore un peu de travail autour de cela, mais pour les curieux voici les résultats de quelques heures de réflexion ce matin. Written by Hans Summers Friday, 02 October 2009 06:04 M0RFD Spectrum Analyser. Jack Purdum W8TEE, famous in the BITX40 community. The Ultimate-3 is synchronised externally with the high performance GPS module Skylab SKM52 (fitted in a separate plastic enclosure). GPS timing for JT modes After my last post about the Denmark holiday experimental radio activity I got a lot of e-mail if the GPS timing I wanted to make is already working. 30m QRSS Receiver by G0UPL. 1 MHz to 100 MHz VFO Stabilizer. This kit comfortably produces 10W from a 12V supply. I am a simple enthusiast attempting to convey my love and enjoyment of radio, electronics, and computing and perhaps to inspire YOU to build something too. Colin M6BOY rounds up the news in brief and this episode's feature is Homebrew Heroes. Fortunately the 3 supply rails can be easily separated (it is a feature of G0UPL's design), by simply removing 2 links installed at assembly time. George attended the event on Thursday and was able to capture talks by Hans Summers G0UPL of QRP-Labs fame and Dr. (AleksandrТ), которому вспомнилась книга В. Caver Radio Information Paul R. I cc'd Hans -- we got this nice and very informative e-mail. ICQ hosts Martin Butler, M1MRB, and Colin Butler, M6BOY, along with contributor Frank Howell. However I selected a non-typical assortment - the one on the left is a so-called "Magic-Eye", in old radio receivers the white strip in the valve would glow a green kind of colour to indicate tuning strength. This link is listed in our web site directory since Friday Feb 16 2007, and till today "G0UPL 30m QRSS Junkbox Beacon" has been followed for a total of 746 times. This ultra-low power QRSS beacon was designed to be as efficient as possible, and produce a milliwatt or few from low voltage, low current supply. From RIT, to. 0 MH2 to 741 MHz, the VF0 covers 5. I used to use 2 servers stacked on top of each other but they were needed elsewhere. LightAPRS is the most affordable, smallest, lightest, powerful and one of few open source APRS trackers available. amplificateur linéaire antenne arduino ARM BitX BLU DDS DSP dx décamétrique Elecraft energia firmware G0UPL HAM homebrew homemade K1JT K4SWL KD1JV kenwood kit kits. About G0UPL 30m QRSS Junkbox Beacon The resource is currently listed in dxzone. , but by the way I broke the valve (first time in 40 Ham carrer:-( ) and so I had to modify as I have not yet any ECL82 for spare (Murphy law alway valid!). Fortunately the 3 supply rails can be easily separated (it is a feature of G0UPL's design), by simply removing 2 links installed at assembly time. More writeup later. It is unbelievably useful!. The following pages contain some items from the archives, including a batch of QSL cards from around 1938, some of Dad's radio circuits, and a couple of pieces of equipment. Modified frequency stabilizer for PSK31 reception The VFO is not stable enough for PSK31 reception. If TA4/G0UPL is your callsign and you would like to fill out your profile or update your biography, you can register here and change the data afterwards. Als iets geschikt is voor de arme amateurs uit. The antenna is a DX80 off center fed dipole with its vertex at 15 feet. Het bouwpakket wijkt enigszins af van de oorspronkelijke beschrijving, tevens is het zeer uitvoerig gedocumenteerd. Jack Purdum W8TEE, famous in the BITX40 community. Written by Hans Summers Wednesday, 09 March 2016 11:02 This is a very simple mixer which I use often in the shack for testing things. The event is home to a large collection of amateurs passionate about low power operation and building their own radios. 40m CW Transceiver Norcal. A message length (callsign) of eight characters and vocabulary of 38 characters result in 38 8 equivalent to 4 347 792 138 496 combinations. 21st Century Homebrew SDR SSB Transceiver Project. Colin M6BOY rounds up the news in brief and this episode's feature is Homebrew Heroes. It was built to fit inside the front panel of a radio tranceiver (yet to be built), alongside my panel mounting radio frequency counter. Hans Summers G0UPL uses this approach in his very popular QRX QRP transceiver. Several people who have experience on software or. by Hans Summers. To be published on a bimonthly basis, On the Air will offer new and beginner-to-intermediate-level radio amateurs a fresh approach to exploring …. JFET REGEN' RADIO RECEIVER A basic JFET regenerative detector radio receiver:-found at Radio Frequency Experiment by BH1RBG recommend that you read Hans Summers excellent follow-up designs and notes, based on Onno's circuits at Hans Summers G0UPL See also "VK6FH-freq' counter". Hans Summers, G0UPL, is doing a great service to the amateur radio community by designing such a kit. The G0UPL Ultimate2 beacon kit will be used for transmission, continuously running following sequence of modes/frequencies, with callsign IZ5WWB: WSPR 28126,850 kHz QRSS (FSKCW) 28000,850 kHz CW 28280,800 kHz. com por lo que quizás no es más radioaficionado. However I selected a non-typical assortment - the one on the left is a so-called "Magic-Eye", in old radio receivers the white strip in the valve would glow a green kind of colour to indicate tuning strength. WWVB / DCF WSPR VCXO Controller for the G0XAR/G0UPL QRSS Transmitter Kit. When enabled, it sends a "QUnn;" notification to the host CAT application, where nn is a bit-mapped number informing the host CAT application what the operator changed on the QCX. In this episode, Martin M1MRB is joined by Leslie Butterfield G0CIB, Edmund Spicer M0MNG and Matthew Nassau M0NJX to discuss the latest Amateur / Ham Radio news. I started going underground as a child. net/va3iul/Homebrew_RF_Circuit_Design_Ideas/5W_80m_CW_Transceiver. Ultimate idea: Feld-Hell on 20m. YouTube - QRSS beacon, ala Hans Summers, G0UPL. Supplies +3. 21st Century Homebrew SDR SSB Transceiver Project Aside from installing a new Codec board and taking a tip from Hans Summers g0upl, today the 600 Ohm to 600 Ohm. Julian_date, for example: wb5bkl. G3URR's method is also described in the book Experimental Methods for RF Design (see also the ARRL Bookstore). Using an Arduino to program another chip. I added a junkbox IRF740 MOSFET PA, Low Pass filter and ATtiny13 AVR keyer and put it on air on 30m QRSS for some reports!. 5 Watt AM Transmitter Project - Schematic and instructions on a neat little 6AQ5 final rig you could build. pdf von www. Faint traces of G0UPL at the bottom of this image. G0UPL personal biography. net is a Web site dedicated to ham radio (amateur radio). Homebrew 30m CW Transceiver by 7n3wvm. In the foreground of the picture, to the right of the DDS board, is my 30m direct conversion receiver. Written by Hans Summers Friday, 02 October 2009 06:04 M0RFD Spectrum Analyser. 68 / Page 61 of the manual). Written by Hans Summers Wednesday, 27 May 2015 01:59 I have three of these, serial numbers 600, 1800 and 3044, all packed in original cartons. Основным отличием версии Ultimate3S от предыдущей версии Ultimate3 является возможность использования. 8V is 37 mA with the backlight off, 43 mA with the light on. Hi all, In case you haven't already come across this fascinating piece of news and looked at http://qrp-labs. G0UPL 30m QRSS MEPT kit www. 03) designed to accompany his very popular QCX transceiver sold through his company, QRP-Labs. Tabolini (entonces AZ1DAB) quien no figura en qrz. Comment from designer Hans G0UPL: "During the summer of 2019 the 40m version of this amplifier was tested extensively here in QTH KM46, with well over 500 QSOs in the log. usbsoftrock Ubuntu package, from the softrock40 group Seeing the very lengthy instructions posted recently for how to install a set of SDR software for Ubuntu, I thought I'd make a (very small!) start on reducing that complexity. Radio Electronics Projects - Hans Summers G0UPL This ultra-low power QRSS beacon was designed to be as efficient as possible, and produce a milliwatt or few from low voltage, low current supply. QRSS on 30M and My New Dipole. This enclosure kit includes all mounting hardware, rubber feet, and extenders for the rotary encoder, gain control and buttons. 80 for the LF options and $33 for the HF/VHF versions). JFET REGEN' RADIO RECEIVER A basic JFET regenerative detector radio receiver:-found at Radio Frequency Experiment by BH1RBG recommend that you read Hans Summers excellent follow-up designs and notes, based on Onno's circuits at Hans Summers G0UPL See also "VK6FH-freq' counter". GSM/GPRS Data logger, which can measure analogue or digital inputs, cache them in memory and upload them via the GSM/GPRS network to an internet database, send via email or SMS, etc. 40 MHz to 70 MHz 3-band Frequency Stabilizer - DC4KU. Lien Communiqué de presse [PDF] Lien. Hans, G0UPL is currently active as TA4/G0UPL from Turkey. Hi all, In case you haven't already come across this fascinating piece of news and looked at http://qrp-labs. In the summer holidays of 1992, I worked in the Tribology group in the department of mechanical engineering at Imperial College, University of London where I had just completed the 2'nd year of my Physics degree. WWVB WSPR VCXO Controller For The G0XAR/G0UPL QRSS Transmitter Kit. The XAR shack was a terrible mess But construction had started on a beacon for QRSS There were capacitors, resistors and transistors three Soldered to a strip of PCB Plus a crystal for the the thirty meter band All badly soldered by G0XAR's hand Also, in the course of construction. com/2010/06/26/crossing-the-pond-with-100 Show more. Balise 472 kHz CW QRSS + WSPR Il s'agit d'une modification apportée à l'émetteur CW / QRSS décrit sur la page précédente: http://f6hcc. 0 MH2 to 741 MHz, the VF0 covers 5. What is a BITX A 6 watt SSB Transceiver for 20M designed by Farhan VU2ESE An International Discussion Group with approximately 2000 active members Homebrewed QRP Transceiver(s). 73 Hans G0UPL.