Vu2ese Antenna Analyzer

The PCB version of the Antuino (The Arduino based Antenna Analyzer) is still under development, but we will all be looking forward to its release. Only at eHam. It is easy to use and quick to make measurements which can be captured to computer for reference or printing out if necessary. Ashhar Farhan VU2ESE and designer of the µBITx has announced that he is working on a new kit - the Antuino. However, the modern champion is the antenna analyzer which is a way of measuring vector impedance. Benton County Oregon. Specan Spectrum analyzer? QRP Labs QCX Frog Sounds HF transceiver 40 meters - SI5351 BitX 40 - VU2ESE kit transceiver MicroBitx - VU2ESE smaller BITX transceiver Excited by: "the variety of stuff that you can do in amateur radio" Advice to new or returning hams: Find a part of the hobby that you like, and go to club meetings. uBITX - A Compact HF Transceiver. - 5 amateur band in one rig, no module needed. 88 MHz - 960 MHz Antenna Analyzer. Let's see if on my free time I can walk around the electronic market zone. 7 GHz Low Noise Amplifier. AMSAT reports that Vice President-Engineering Jerry Buxton, N0JY, delivered and integrated its Fox-1Cliff CubeSat into the launch vehicle on September 24, in preparation for sending it into orbit later this year. Ce kit a retenu toute mon attention. Our specialty will be low cost, high enjoyment kits for the builder that can be assembled in an evening or two. VU2ESE has made the uBITX: 10-80m, 10w, SSB/CW. The bandpass filter was only made with micro-inductors and SMD capacitors. I was learning my way around Farhan's new Antuino this morning. This week Jeremy spends time with some of our listeners to talk about what's on THEIR workbenches. I have been struggling to understand how my simple dipole antenna works (or doesn't work). Counter-intuitively, these plots are hard to read because they have no noise in them. It is impossible. For antenna tuning you need antenna analyzer MFJ259B, GDO. Connecting to a simple dipole antenna the results also looked like what I would expect. This is your bi-weekly deep dive on making, DIY, electronics, and technical topics of interest to the radio amateur. It's a kit but with the main board assembled. Unfortuantely the roof is not quite long enough and the ends of the dipole draped over the edge of the building. The AIM4160/4170 compared with several other antenna analyzers. In a series of e-mails to the BITX20. The uBITX shoots to fulfill such a need. 40 MHz to 800 MHz CATV LNA. This week Jeremy spends time with some of our listeners to talk about what’s on THEIR workbenches. New equipment is never cheap, so whenever another option comes along that. Structure of radio: In case of receiving the signal from antenna bypasses power amplifier. com Blogger 20 1 25 tag:blogger. A comparison of several network and impedance analyzers, including the AIM4170, by Rudy Severns N6LF. The part a b of the external surface of the braid of the coaxial line being one leg of the dipole. Posted in Radio Hacks, Tool Hacks Tagged antenna, ground plane, impedance, inductance, spectrum, swr, vector network analyzer, vna An Introduction To Storm Detector Modules March 22, 2018 by Sean. An 80 and 40m superhet with 3 x 6U8 and a two-crystal filter. I suspect that without an antenna analyzer that can go up that high, fabrication errors for more elements will lead to dimininishing returns and ultimately maybe even diminishing performance. Got excellent audio reports! Hi Marks to a superb rig. Listen to HRWB020-More Listener Projects and 61 other episodes by Ham Radio Workbench Podcast. Hf Ssb Transceiver. Antenna ordinances and permitting. George KJ6VU takes us through a thorough deep dive of the design of the 4-Port Coax Relay Project. EH Antenna "This is a picture of my EH ‘STAR’ antenna for 80 meters. His BitX SSB transceiver used a bidirectional amplifier design and readily available components such that it could be. Ashhar Farhan VU2ESE — the polymath from Hyderabad, India — whose Bitx series of transceivers has taken ham radio's QRP world by storm, is following his recent Bitx40 success by offering the impressive Microbitx transceiver, also known in ham radio circles as the Ubitx (which we'll refer to it as here). Dan's article, T-Time for the Analyzers, is on page 40 of the compendium. Comme je suis un vrai fan du 6m, j'ai écrit à Mr Ryuu si c'était possible d'utiliser un écran TFT de 2. BITX - An easy to build 6 watts SSB transceiver for 14MHz by VU2ESE BITX is an easily assembled transceiver for the beginner with very clean performance. This is your bi-weekly deep dive on making, DIY, electronics, and technical topics of interest to the radio amateur. It will take a whole series of articles to actually document everything that this little one can do. [Captain Science] did a review of an inexpensive N1201SA. The PCB version of the Antuino (The Arduino based Antenna Analyzer) is still under development, but we will all be looking forward to its release. This easily done using the on board power connector that supplies "juice" to the IRF510. All menu features and data entry is via three momentary-contact push switches. An accomplished DXpeditioner, having operated in over 40 DX entities including South Sandwich Island. They connect directly to the antenna or coaxial cable and send a very low power variable RF signal which is measured and displayed in several ways. 666 MHz, caused by the reflected signal down the coax is very clearly seen. Antenna Analyzer Boards. Grid Dip Meter 2 MHz - 20 MHz. 8 MHz to 54 MHz Preselector MFJ-1040 · Medium Wave Active Antenna · 10 kHz - 30 MHz Antenna Preamplifier · HF A ctive Loop Antenna · 1 GHz to 8 GHz Cascode LNA. [Captain Science] did a review of an inexpensive N1201SA. He shows what pins do what, which ones to make high, and which ones get forced low. En effet l’objet à analyser est placé au centre d’un cercle en rotation, ce cercle contient plusieurs cartes électroniques radio capable de réceptionner et mesurer l’intensité des ondes électromagnétiques. In a series of e-mails to the BITX20. George and Jeremy breakdown what it takes to build the new HR360/K6BEZ Antenna Analyzer and where to find all the information you’ll need to make it happen!George and Jeremy breakdown what it takes to build the new HR360/K6BEZ Antenna Analyzer and where to find all the information you’ll need to make it happen!. hamradio360. 0, and the tuner in my rig will only match SWRs 3. Amateur radio and antennas californiakayaker N6GRG by ASHHAR FARHAN VU2ESE by shubham tiwari. Minima -A general coverage transceiver by VU2ESE The Minima is a simple and easy to operate transceiver for all the HF bands with a crisp receiver, a clean output and component cost of less than $100. 18 dB LT1253 DDS Amplifier by K8IQY This 18 dB gain amplifier was built Manhattan-style to evaluate the Linear Technology LT1253 dual video amplifier as a candidate output amplifier for DDS systems employing the Analog Devices AD9850 and similar devices. Spikes along the walls absorb stray signals while sensors around the middle ring measure signal performance. It was an inverted vee for 40m. I started working on the SI5351 antenna analyzer that I was playing with. I'll probably do a 8 or 12 element colinear. However, the modern champion is the antenna analyzer which is a way of measuring vector impedance. there will probably be some unusable area around the IF frequency I select. An 80 and 40m superhet with 3 x 6U8 and a two-crystal filter. Ashhar Farhan VU2ESE's page, Wiki, 0-21 MHz version, YO4HPP's blog with PCBs. The BITX40 is a $60 Arduino controlled 7 watt QRP SSB 40 meter transceiver designed and built by Ashar Farhan VU2ESE. a W8TEE/K2ZIA antenna analyzer and have been tweaking my antenna a bit. A view of the lab/shop is shown below. They are presently doing a group build of a 1-30 MHz antenna analyzer based on the Arduino platform. A super fun project. BITX - An easy to build 6 watts SSB transceiver for 14MHz by VU2ESE BITX is an easily assembled transceiver for the beginner with very clean performance. Let's create an oscillator and a piece of test equipment that we can use to measure it. Whilst this device may resemble any other antenna analyser (and has an SWR plot) it also measures a few other tricks up its sleeve like a modulation meter that will measure splatter from distortion, as well as frequency response from a circuit, and of course, it's hackable. His BitX SSB transceiver used a bidirectional amplifier design and readily available components such that it could be. BritX will work on all HF band with less sensitivity on the higher HF Band. Hi, My name is Gurudatta Panda, an Electronics Freak and a Radio HAM with call sign VU3GDP. missions worldwide after the deadly Sept. He is the. Ashhar Farhan VU2ESE, the designer of the BITx range of kit transceivers marketed through HF Signals has launched his next design: the Antuino. The part a b of the external surface of the braid of the coaxial line being one leg of the dipole. I decided to build another one for a friend and. On the air, my handle is Ash (as. In spite of its seeming complexity, it is in fact a quite straight forward circuit. As for the spectrum analyzer that Farhan got me last year, I am waiting for retirement (soon!) to get that one going. 7 MHz Transceiver - DK6SX. This item: KKmoon MR300 Shortwave Antenna Analyzer Meter Tester with Bluetooth 1 to 60MHz RF SWR for Ham Radio $109. I thought I'd add some additional information on the PyDSA python-based spectrum analyzer discussed in the previous post. L’analyseur d’antenne en kit de fox delta est une solution efficace et low cost pour les bandes HF. com • Modules - small pre-made boards that implement reference designs of. The measured forward and reflected values in this routine can then be stored as an offset which can be subtracted from future measured FWD and REV voltages during a sweep of the antenna. It took me a very long time. use on forty and twenty meters for a few months at VU2ESE. This rig has been in regular use on forty and twenty meters for a few months at VU2ESE. a W8TEE/K2ZIA antenna analyzer and have been tweaking my antenna a bit. Using the PC based software from Beric, it looked like I was getting valid data when connected to different resistive loads. This week Dave discusses his new live "learn cw" Channel. Station Packed and Ready for Transport With all of the assembly and testing of the components of our 2. We talk about the five major sections of the project - RF circuit switching with relays, control via PIC Microcontroller, the power supply, the user interface, and serial communications. 40 MHz to 800 MHz CATV LNA. gif: 11-Dec-2015 14:16 : 21K : -30MHz_AM-FM-CW-SSB-DRM_Receiver. I first modeled it on the computer and then adjusted it using a spectrum analyzer. Building a simple Receive Loop Antenna for SWLing - Many months ago I built a few differnet Hula Hoop based receive antennas and was pleased with the results. 4 GHz Gain=21dB Circular Horn DC2CS Antenna 9 MHz IF and Demodulator 1. Loads of downloadable old tube manuals as well. MFJ-259C 530 KHz - 230 MHz SWR Analyzer World’s most popular SWR analyzer is super easy-to-use The famous MFJ-259C gives you a complete picture of your antenna’s performance. I switch beetwen the bands with relays because I had a lot of. Get the best deal for Other Antenna Analyzers Radio Electronics from the largest online selection at eBay. Ashhar Farhan, VU2ESE, creator of the low cost, excellent performance for the money uBitx and Bitx40, has a new gadget. Would you happen to have the list of parts for the K6BEZ antenna analyzer. I decided to build another one for a friend and. Then modified the antenna analyzer code to incorporate the 5351 code I had written. Propagation of Radio Waves at Frequencies Below 300 KC/S covers the proceedings of the Seventh Meeting at the AGARD Ionospheric Research Committee, held in Munich, Germany on September 17-21, 1962. It is a compact, single board design that covers the entire HF range with a few minor trade-offs. This antenna seems to also function on 17 meters when the transmatch is used. 40 MHz to 800 MHz CATV LNA. (This project is on hold indefinitely) This project is based around the recent HF1 QRP transceiver by Ashhar Farhan, VU2ESE. It is the best way to suggest guests and topics, and provide feedback to Eric, 4Z1UG. When staring at a 17" monitor on a crowded desk, and pushing, pulling and twisting a wimpy joystick just doesn't do any more, it's time to build a simulated cockpit or flight deck. RigExpert AA-54 product reviews by real people like you. Ashhar Farhan (VU2ESE) designed the radio for tinkerers & hackers. Ashhar Farhan VU2ESE's page, Wiki, 0-21 MHz version, YO4HPP's blog with PCBs. Handheld analyzers help field technicians perform field verification and fault location to detect problems before they become costly, time-consuming system failures. A flexible test instrument in a single box called the Antuino. En effet l’objet à analyser est placé au centre d’un cercle en rotation, ce cercle contient plusieurs cartes électroniques radio capable de réceptionner et mesurer l’intensité des ondes électromagnétiques. hamradio360. You can read your antenna’s SWR and Complex Impedance 530 KHz to 230 MHz continuously with no gaps. com Blogger 20 1 25 tag:blogger. Got excellent audio reports! Hi Marks to a superb rig. Would you happen to have the list of parts for the K6BEZ antenna analyzer. That can be found here. My Journey Started from Berhampur, my home town on 6th November Evening. FM for the Bitx ? The "Bitx" is a simple transceiver designed by Ashhar Farhan, VU2ESE, with extensive use of commonly found and inexpensive electronic components. E-field Probe Antenna - G3XBM QRP WEBSITE. We do our best to remove all the noise from our analog equipment, but there is a noise floor regardless. 3-Digits Dip Meter. This rig has been in regular use on forty and twenty meters for a few months at VU2ESE. I decided to build another one for a friend and. As a 2009 QRP ARCI Hall of Fame inductee - Hans Summers, G0UPL, is an electronic experimenter and amateur radio innovator extraordinaire. The BITX40 is a $60 Arduino controlled 7 watt QRP SSB 40 meter transceiver designed and built by Ashar Farhan VU2ESE. A simple routine can be inserted into the firmware of the analyzer that will very quickly read the detected voltages when no output is present from the AD950 DDS. Tel: 0345 2300 599. It was an inverted vee for 40m. In the old days of horse c alvary , every. The PCB version of the Antuino (The Arduino based Antenna Analyzer) is still under development, but we will all be looking forward to its release. Addendum: A nice video showing good construction technique…. However, the modern champion is the antenna analyzer which is a way of measuring vector impedance. Propagation of Radio Waves at Frequencies Below 300 KC/S covers the proceedings of the Seventh Meeting at the AGARD Ionospheric Research Committee, held in Munich, Germany on September 17-21, 1962. A brilliant project from the inspired imagination of Ashar Farhan VU2ESE and published on his blog. I started working on the SI5351 antenna analyzer that I was playing with. And I did…inherited an Ameritron AL-80B from a friend's dad who is a Silent Key. 8 MHz to 54 MHz Preselector MFJ-1040. 2013-Mar-23 - Fan Dipole for 20m/40m The antenna at my QTH in Brooklyn has not been great. But there is a danger that the Antuino will leave little room for the older tech In the interview you will hear Farhan talk about the Antuino circuitry, and about the roots of the three main devices in the Antuino box. We simply take a lot of old ideas and put them into a sort of mental kaleidoscope. However, there has also been a quiet revolution in the world of micro-computers. When staring at a 17" monitor on a crowded desk, and pushing, pulling and twisting a wimpy joystick just doesn't do any more, it's time to build a simulated cockpit or flight deck. In spite of its seeming complexity, it is in fact a quite straight forward circuit. His BitX SSB transceiver used a bidirectional amplifier design and readily available components such that it could be. This is your bi-weekly deep dive on making, DIY, electronics, and technical topics of interest to the radio amateur. It is impossible. It discusses how to adjust your antenna, enhance your antenna analyzer and the ways certain analyzers can be used as general purpose test instruments. The RSS Feed for all audio content from QSO today is available from here. Ashhar Farhan VU2ESE — the polymath from Hyderabad, India — whose Bitx series of transceivers has taken ham radio's QRP world by storm, is following his recent Bitx40 success by offering the impressive Microbitx transceiver, also known in ham radio circles as the Ubitx (which we'll refer to it as here). I called my supplier and he and I came to an agreement that he would take back the KV-5 and supply me with a Falcon OUT-250B , a many band 7,16m long GPA. Did it a couple of times, then when I came back to plug the antenna to the analyzer realized it was reading R=0. By: REUTERS Secretary of State Hillary Rodham Clinton, at times emotional and fierce, insisted on Wednesday that the department is moving swiftly and aggressively to strengthen security at U. I suspect that without an antenna analyzer that can go up that high, fabrication errors for more elements will lead to dimininishing returns and ultimately maybe even diminishing performance. 12/17/2017 Late breaking news --have made several contacts on 20M. An accomplished DXpeditioner, having operated in over 40 DX entities including South Sandwich Island. 7 MHz Transceiver - DK6SX. The filter design is based on YU1LM's documentation. TRANSCEIVERS / TRANSCEPTORES from qsl. Μιχάλη, υπάρχουν πολλοί τρόποι για να δοκιμάσεις την απόδοση μιας κεραίας. BITX - An easy to build 6 watts SSB transceiver for 14MHz by VU2ESE BITX is an easily assembled transceiver for the beginner with very clean performance. HF Antenna Analyser With Arduino and DDS Module: HiIn this Instructable I'll show you how I built a low-cost antenna analyser which can measure an antenna and display its VSWR over any or all of the HF frequency bands. As the title "says" I just arrived to the home country of Farhan, VU2ESE, the "inventor" of the BITX transceiver and was thinking how nice would be to build one (another) with components sourced locally. A brilliant project from the inspired imagination of Ashar Farhan VU2ESE and published on his blog. RigExpert AA-54 product reviews by real people like you. In 2003 an Indian radio amateur, [Ashhar Farhan], [VU2ESE] changed all that. There is no note at all that you can not install this antenna on a mast. Alan - K6ZY at the last Puget Sound QRP (pQRP) meeting mentioned he was considering building a Homebrew Farhan VU2ESE Minima Transceiver project. Build Your Own Antenna Analyser for under $50 Beric Dunn K6BEZ $20. 这是一个中国业余无线电爱好者的论坛. gif: 04-May-2011 17:34 : 204K : 0-30V_3A_Switch-Mode_Power_Supply. Antenna ordinances and permitting. I used a circuit attributed to Ashhar Farhan, VU2ESE and Wes Hayward W7ZOI for a Spectrum Analyzer project (Specan). A step up was a classic SWR/Power meter that showed you forward and reflected power. See the full post on VU2ESE's radio experiments blog. A flexible test instrument in a single box called the Antuino. In the old days of horse c alvary , every. That makes it the most user-friendly way to test for SWR, impedance, return loss, and more. It is the best way to suggest guests and topics, and provide feedback to Eric, 4Z1UG. Let's create an oscillator and a piece of test equipment that we can use to measure it. The 88' EDZ was homebrewed and the Butternut is a commercial antenna, of course. A comparison of several network and impedance analyzers, including the AIM4170, by Rudy Severns N6LF. All those excitement started when in 2013, I came to know that VU2ESE, OM Ashar Farhan is convener of the HFI at Hyderabad. So, this power goes to other ham's radio. The best part of that design is that, it aligns itself. Please join our QSO Today community by pressing the button below. One thing that is always of concern is tuning the antenna. 8" et le synthétiseur AD9851 qui monte à 70Mhz. For US$99 plus optional US$10 courier shipping it turned up here in Sydney just five days after ordering. (This project is on hold indefinitely) This project is based around the recent HF1 QRP transceiver by Ashhar Farhan, VU2ESE. Pete will have his shortly. Ashhar is the designer of the BITX "open source" HF SSB transceiver, and has an international reputation as a home brewer, and is referred to as the “home brew. Small 80m Antenna Articles | G7FEK st2nh Steve's Radio Page The Commo Bunker k2sz The KMØT. We also included our RigExpert antenna analyzer in the setup to make testing of the station during setup in a portable environment easier. Addendum: A nice video showing good construction technique…. China Antenna Analyzer, China Antenna Analyzer Suppliers and Manufacturers Directory - Source a Large Selection of Antenna Analyzer Products at body composition analyzer ,chemistry analyzer ,hematology analyzer from China Alibaba. 2013-Mar-23 - Fan Dipole for 20m/40m The antenna at my QTH in Brooklyn has not been great. Originally, it is a spectrum analyzer (up to 1000 MHz), which can be converted to the vector network analyzer (which may be used for antenna measurements, an external hardware is needed). I decided to build another one for a friend and. Admittedly I'm being picky but I was wondering if anyone had suggestions on how to improve my 112 Mhz band pass filter. Build Your Own Antenna Analyser for under $50 Beric Dunn K6BEZ $20. 18 dB LT1253 DDS Amplifier by K8IQY This 18 dB gain amplifier was built Manhattan-style to evaluate the Linear Technology LT1253 dual video amplifier as a candidate output amplifier for DDS systems employing the Analog Devices AD9850 and similar devices. Building a simple Receive Loop Antenna for SWLing - Many months ago I built a few differnet Hula Hoop based receive antennas and was pleased with the results. We spend time with Mike KM4VKR to discuss his upgrades to the Antenna Analyzer, Vance N3VEM to talk about building his own digital mode interface for his iPhone, and Smitty KR6ZY to learn about his multi-band WSPR experiences. It discusses how to adjust your antenna, enhance your antenna analyzer and the ways certain analyzers can be used as general purpose test instruments. An 80 and 40m superhet with 3 x 6U8 and a two-crystal filter. The method involves measuring the return loss both with and without a resistor of known value in series with the antenna, these figures allow the real and imaginary components of the antenna's impedance to be calculated. Structure of radio: In case of receiving the signal from antenna bypasses power amplifier. HF A ctive Loop Antenna. A simple routine can be inserted into the firmware of the analyzer that will very quickly read the detected voltages when no output is present from the AD950 DDS. Probably the cheapest multiband HF SSB amateur transceiver you can get is the uBitx, designed by Ashhar Farhan VU2ESE. The method involves measuring the return loss both with and without a resistor of known value in series with the antenna, these figures allow the real and imaginary components of the antenna's impedance to be calculated. MFJ-259C 530 KHz - 230 MHz SWR Analyzer World’s most popular SWR analyzer is super easy-to-use The famous MFJ-259C gives you a complete picture of your antenna’s performance. Did it a couple of times, then when I came back to plug the antenna to the analyzer realized it was reading R=0. On the air, my handle is Ash (as. Get our pioneering hardware picks in your inbox with Tindie Fetch. Episode 239 – Jay Slough – K4ZLE Jay Slough, K4ZLE, has over 60 years in the amateur radio hobby and still enjoys CW as his primary operating mode. For antenna tuning you need antenna analyzer MFJ259B, GDO. Ashhar is the designer of the BITX "open source" HF SSB transceiver, and has an international reputation as a home brewer, and is referred to as the "home brew. Antenna analysers sold here,we update our stocks to keep in touch with modern improvements in Antenna analysers design. I mentioned this on tonight's tech net at 9 PM. VU2ESE's radio experiments: Home Specan - A reboot of the W7ZOI/K7TAU Spectrum Analyzer Balanced Antenna Tuner - A balanced line tuner for open wire feeders and doublet Sweeperino - A simple sweeper/signal generator/power meter for your shack A 25 watt dual-band linear - A simple sing. This page contains only schematics who speak for themselves. Those devices, coupled with an appropriate antenna, can help establish contacts spanning thousands of kilometres, sometimes with less than 5W of RF power! When you pass your HAM radio license, you have to prove you know how SSB transceivers work, what the building blocs are, what the theory behind it is,. Take the hassle and guesswork out of testing and tuning your antennas and antenna feedlines by choosing RigExpert antenna analyzers and ISM analyzers from DX Engineering. Then modified the antenna analyzer code to incorporate the 5351 code I had written. io group, Ashhar Farhan VU2ESE provided background information on the origins of his new "RF Lab in a Box' -- the Antuino. there will probably be some unusable area around the IF frequency I select. Grid Dip Meter 2 MHz - 20 MHz. As the title "says" I just arrived to the home country of Farhan, VU2ESE, the "inventor" of the BITX transceiver and was thinking how nice would be to build one (another) with components sourced locally. Using the Digilent Analog Discovery 2's Network Analyzer the connector is swept from 1kHz to 10Mhz without the cable attached, and then with the cable attached. To avoid any damage to the analyzer I disconnected it every time I need to cut/solder something but left it ON without any load. The transceiver is an interesting SSB design with wide tuning range from 0-30MHz and should cover several amateur bands. The design originally came from Beric Dunn, K6BEZ, and is centered around an AD9850 DDS module from eBay, supported by an Arduino Pro Micro and a bog-standard LCD display. Get the best deal for Other Antenna Analyzers Radio Electronics from the largest online selection at eBay. We do our best to remove all the noise from our analog equipment, but there is a noise floor regardless. HF A ctive Loop Antenna. and second- impedances should be matched for optimum transfer of power from transmitter to antenna. In my case, I have two antennas - an 88' Extended Double Zepp (EDZ) wire antenna and a Butternut HF9V antenna. Parent Directory - -5V_Source. 7 GHz Low Noise Amplifier. 4 GHz Wideband Horn BJT Phase Comparator - DK1OF Antenna - OE9PMJ FM Demodulator-Discriminator with 1 GHz to 16 GHz Wideband Horn LPF - DJ4BG Antenna Active AM Demodulator 1296 MHz Circular Horn. 2 GHz LNA with Tunable Image Reject Filter. 80m 5W CW Transceiver 7 MHz QRP Transceiver - DL5NEG 27 MHz R/C Transceiver 49 MHz Walkie-Talkie 432 MHz Data Transceiver QRP SSB Transceiver QRP Transceiver 40m/20m - IK3OIL Short Range Wireless Data Communication Transceiver QRP 20m SSB HF Transceiver CW SSB NorCalSierra Transceiver QRP 40m - F6BQU. I am a hobbyist and my coding has. All Band DIY HF Transceiver using RTC03+BritX Analysis of uBITX using EU1KY's Antenna. If we were looking at the results of a real oscillator with a spectrum analyzer we would not be able to see results at -200dB or more. It was a great pleasure to participate in HAM Fest India 2014. MFJ-259C 530 KHz - 230 MHz SWR Analyzer World’s most popular SWR analyzer is super easy-to-use The famous MFJ-259C gives you a complete picture of your antenna’s performance. 20m Transceiver BITX - VU2ESE. The transceiver is an interesting SSB design with wide tuning range from 0-30MHz and should cover several amateur bands. (This project is on hold indefinitely) This project is based around the recent HF1 QRP transceiver by Ashhar Farhan, VU2ESE. Lightening Detector. Heathkit AM-1 antenna impedance meter Manual - picture;. Pre-assembled SMD µBITX JackAl board - $50 U. The first IF is 1013. This design uses an Analog Devices Direct Digital Synthesis signal generator and an Arduino to sweep the HF bands to find the lowest SWR. I love this antenna. gif: 11-Dec-2015 14:16 : 21K : -30MHz_AM-FM-CW-SSB-DRM_Receiver. HF Antenna Analyser With Arduino and DDS Module: HiIn this Instructable I'll show you how I built a low-cost antenna analyser which can measure an antenna and display its VSWR over any or all of the HF frequency bands. (This project is on hold indefinitely) This project is based around the recent HF1 QRP transceiver by Ashhar Farhan, VU2ESE. The 88' EDZ was homebrewed and the Butternut is a commercial antenna, of course. Building a simple Receive Loop Antenna for SWLing - Many months ago I built a few differnet Hula Hoop based receive antennas and was pleased with the results. We spend time with Mike KM4VKR to discuss his upgrades to the Antenna Analyzer, Vance N3VEM to talk about building his own digital mode interface for his iPhone, and Smitty KR6ZY to learn about his multi-band WSPR experiences. Homebrew Arduino/ AD9850 Antenna Analyzer-Sweeper K6BEZ's Design Arduino Nano plus AD9850 Antenna Analyzer/Sweeper. Minimum SWR is still 2. This receiver is the result of that project. This analyzer with Bluetooth technology is designed for measuring SWR (Standing Wave Ratio), Return Loss, Cable Loss, of cable and antenna systems from 60 kHz to 55 MHz. Homebrew RF Circuit Design Ideas "There is no such thing as a new idea. Since january, 21st 2010 Ham­Mag is an association. BritX will work on all HF band with less sensitivity on the higher HF Band. For antenna tuning you need antenna analyzer MFJ259B, GDO. Lots of readers are into toying around with RF and ham radios. Got excellent audio reports! Hi Marks to a superb rig. Examples are the ferrite bead balun described by Walter Maxwell, W2DU[], coiled up coax, and coax or a bifilar winding through a toroidal core. Antenna Analyzers. Cable and antenna analyzers are pieces of electronic test equipment that monitor wireless sites and locate problems to make repairs. We talk about the five major sections of the project - RF circuit switching with relays, control via PIC Microcontroller, the power supply, the user interface, and serial communications. A VNA is even handier. So the LO signal is connected to the LO port in the schematic above (that's the port on the far left), the RF signal is connected to the RF port (that's the one at the bottom right) and the Spectrum Analyser is connected to the IF port (that's the only one we haven't used yet). I started working on the SI5351 antenna analyzer that I was playing with. The RSS Feed for all audio content from QSO today is available from here. Jay Slough, K4ZLE, has over 60 years in the amateur radio hobby and still enjoys CW as his primary operating mode. 50KHz-900MHz Vector Network Analyzer Kit MF HF VHF UHF Antenna Analyzer dl45 Leixen VV-898 VHF UHF Dual Band Ham Car Trunk Mobile Radio Transceiver + Cable Kenwood TM-281A VHF 136-174MHz 65 Watt Field Programmable Mobile Two Way Radio Stryker SR-94HPC 10 Meter Amateur Ham Mobile 45w Compact Slim Radio Color LCD. txt) or read online for free. VU2ESE's radio experiments: Home Specan - A reboot of the W7ZOI/K7TAU Spectrum Analyzer Balanced Antenna Tuner - A balanced line tuner for open wire feeders and doublet Sweeperino - A simple sweeper/signal generator/power meter for your shack A 25 watt dual-band linear - A simple sing. I wanted to check different low-pass filters to clean up the square-wave out of the 5351, and needed a simple way to do this. 3-Digits Dip Meter. io group, Ashhar Farhan VU2ESE provided background information on the origins of his new "RF Lab in a Box' -- the Antuino. Steve's Eclectic Radio Blog Welcome! For years, I've enjoyed reading the blogs of other radio and electronic hobbiests and following the blogger's progress as he (she) converts an idea, first into a seemingly random pile of parts, and then into some sort of useful or superfluous (but nontheless fascinating) device. I even purchased a set of boards, but had not built them yet. amplifier, µbitx multiband transceiver and an Arduino based antenna analyser. com • Mouser. 00 per year, you will enjoy: A free PDF. I put an old-school knob on the rotary encoder -- it seemed like the right thing to do. I started working on the SI5351 antenna analyzer that I was playing with. An accomplished DXpeditioner, having operated in over 40 DX entities including South Sandwich Island. It was an inverted vee for 40m. LNR Precision is proud to announce the FX-QRP Transceiver. The PCB version of the Antuino (The Arduino based Antenna Analyzer) is still under development, but we will all be looking forward to its release. The Bitx40 is an amazing platform and VU2ESE has even included an option to select the power output level simply by changing what voltage is fed to the IRF510. 12/16/2017 Hot off the soldering iron -- the uBitx is inhaling RF. When staring at a 17" monitor on a crowded desk, and pushing, pulling and twisting a wimpy joystick just doesn't do any more, it's time to build a simulated cockpit or flight deck. I thought I’d add some additional information on the PyDSA python-based spectrum analyzer discussed in the previous post.