Vk5jst aerial analyzer software

The vk5jst aerial analyser draws very little current but you should still use decent alkaline batteries to supply it. It was on ebay of all places i stumbled on the vk5jst antenna analyser kit. Antenna analyzer displays mfj259b autek va1 antenna analyst. Antenna analyser april 2010 today, april 4th 2010, i ordered the vk5jst aerial analyser kit via the internet. Other useful information would include your experience with similar products, infomation on a product that you would purchase instead of this one, and so on. The first one stopped working as i was assembling the pcb into the project case and has not worked since. A poor mans vhf and uhf antenna analyzer by vk5jstvk5tr. Constructing my vk5jst aerial antenna analyser kit july 2009 ver. It also calculates and displays the vswr of the impedance referenced to 50 ohms. After spending a lot of time troubleshooting, i decided to order another one and start over. Payment methods the methods of payment we offer are. A poor mans vhf and uhf antenna analyzer by vk5jstvk5tr jim.

This project was published in the december 2015 issue of the australian magazine amateur radio and has been designed using parts which are very readily available see the circuit and parts list and so there is little point in supplying a kit of parts to amateurs who have been around a while. Populating the pcb posted on august 26, 2019 by grant mcduling once the enclosure had been sorted, it was time. Mar 15, 2007 this analyzer is available from wimo in germany. Vk5jst 2e0fcz antenna analyzer mods and build ham radio. This unit has several nice features, including a frequency range of 0 180 mhz and computer integration. About vk5jst aerial analyser the resource is currently listed in in 2 categories. For some time now ive hankered after an aerial antenna analyser. My notes on the build of a vk5jst aerial analyzer kit purchased from ahars. Some analyzers have automatic gain control circuit to maintain stable rf signal. This is not doing justice to a cleverly designed piece of equipment. The most common application of the meter is as an antenna analyser. Vkjst antenna analyzer modifications to make the unit more versatile and practical on the field.

Another and probably cheaper way is to buy a genuine serial card for your. Liveagent boasts the fastest chat widget on the market and has over 150m endusers worldwide. Mfj 259btype antenna analyser around a very stable. The analyzer made the process so much less complicated than it would have been without it. We had a variable capacitor and some extra set capacitors to add capacitance at the base of the antenna. Really better described as a single port vector analyser. A radio club in australia sells the circuit board as well as a bag full of parts for anyone who wants to build one and it has successfully been built thousands of times according to them. If we hadnt had that it would have been a real pain getting the antenna to resonate for 160 meters.

The designer calls this aerial analyser a simple tool with the accuracy of a grip dip meter. Jun 08, 20 about what happened to the vk5jst aerial analyzer picaxe software at k1cd picaxe basic code at the link the idea was to learn about how the analyzer works, what the picaxe can do and how it works, and to improve the code as a learning tool for radio amateurs trying to put that test answer about impedance into practical knowledge. Almost everyone i know has an mfj of some kindmost have been well used too. Plenty of scope for you to improve on the software and add extra features. The antenna analyzer has a wide bandwidth with its own dedicated vco and opamp deviders to report values acurately to the famous picaxe chip. I have taken on the challange to build this kit and actually decided to mod the board before i have even begun to build it.

Understanding your antenna analyzer is an introduction to the various types of analyzers available, their component parts, how they operate and how to utilize them to get the best possible data. Vk5jst aerial analyser 5 september 2016 2018 projecten this project was published in the may 2005 issue of the australian magazine amateur radio, and has been designed using parts which are very readily available see the circuit and parts list. About what happened to the vk5jst aerial analyzer picaxe software at k1cd picaxe basic code at the link the idea was to learn about how the analyzer works, what the picaxe can do and how it works, and to improve the code as a learning tool for radio amateurs trying to put that test answer about impedance into practical knowledge. Our builtin antivirus scanned this download and rated it as virus free. Am chiptunes played by a modified antenna analyzer hackaday. This link is listed in our web site directory since wednesday aug 3 2011, and till today vk5jst aerial analyzer has been followed for a total of 1030. The details of the design i sought to be build can be found here. Received some aa143 diodes in the mail from kn5ute, tried these out and there was a slight improvement at the 30mhz end compared to. This link is listed in our web site directory since friday nov 28 2008, and till today vk5jst aerial analyser has been followed for a total of 2880 times. The software assumes that the calibration set is perfect. I have long needed a good antenna analyser so that i can tune my existing antennas and build better new ones. Kits welcome to the adelaide hills amateur radio society. When i then went to vk5jsts website i was blown away by the sophistication of this kit.

About vk5jst aerial analyzer the resource is currently listed in in a single category. And the vk5jst aerial analyzer could be the best bang for the buck. Listed under the manufacturersantenna analyzers category that is about antenna. I cannot recommend it too highly for those wanting an accurate analyser capable of measuring antennas, electronic components, cable loss, impedances up to ohms or more at 230mhz.

The time had come to do the first smoke test of the analyser. If youre interested in a kit that involves soldering, there is the vk5jst aerial analyser. Note the code for the pic is proprietary and will not be released into the public domain, while the basic code will be freely available. Vk5jst aerial analyzer this project was published in the may 2005 issue of the australian magazine amateur radio, and has been designed using parts which are very readily available category. Amateur radio software audio spectrum analyzer, dl4yhf. The uk leading supplier and distributor of communications equipment. This analyser is a high quality low cost diy project which covers from 1. All that has changed, now that there is a new kit on the market. Antenna analysers, buy new and used products from ham radio. The aerial analyser is built around vk5jsts peak detector and linearisation circuit. Here are some notes, a few photos and a few scribbled diagrams about my aerial analyser project.

Oct 24, 2010 if we hadnt had that it would have been a real pain getting the antenna to resonate for 160 meters. Vk5jst vhf aerial analyser resource detail the dxzone. His adventure led him to use it to feed different t. Antenna analysers sold here,we update our stocks to keep in touch with modern improvements in antenna analysers design. Antenne analyzer, vk5jst s aerial analyser correction of the diagrams. Position name price colour colour make of handheld. I powered up my dmm and checked that the voltage regulators were putting out 8 volts and 5 volts respectively. 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 main category is vna vector network analyzer that is about vna vector network analyzer. This project was published in the december 2015 issue of the australian magazine amateur radio and has been designed using parts which are very readily available see the circuit and parts list and so there is little point in supplying a kit of parts to amateurs who have been around a while most will be in your junk box. The main category is test equipment projects and products that is about test equipment projects and tools. The vk3yykn5ute software can be found the software is in the files section of yahoo groups k6bez antenna analyser.

Ensure that you read building the kit information at the bottom of this page. I havent used either of them, so i cannot speak to how well they work. Erich wanted to see if he could use the device in a different way. This software is an intellectual property of vankar trading corporation. Describe your experience with the vk5jst aerial analyzer and tell us why you give it the rating you did required. Be prepared and able to communicate in case of emergency with the largest selection at. If the line is a 50 ohm line, has no radiation or parallel currents, and if the line has minimal loss, moving a analyzer to another point on the line will not change swr reading. The aerial analyser is built around vk5jsts peak detector and linearisation circuit, feeding into a pic16f887 mcu which calculates and displays the results on a 2 x 16 character lcd display and also controls an si5351a as the vfo. It is available in kit form only, and uses readily available through hole components. Vk5jst antenna analyser vk logger amateur ham radio.

Technical information about the kit can be found at jim tregellas vk5jsts website. This vk5jst antenna analyser is a handy piece of test equipment which can serve as a source of rf from 1. The idea was to learn about how the analyzer works, what the picaxe can do and how it works, and to improve the code as a learning tool for radio amateurs trying to put that test answer. Network analyzer architecture the basic architecture of a 2 port network analyzer.

At about that time, i had an email from patrick gw1sxn mentioning that jim vk5jst had designed an. Sep 29, 2014 the vk3yykn5ute software can be found the software is in the files section of yahoo groups k6bez antenna analyser. Constructing my vk5jst aerial antenna analyser kit july. This page, then, describes this microprocessorbased antenna analyzer. Before you start adjusting the ten turn pots for calibration, let the analyser settle for 20 to 30 seconds. Oct 23, 2012 this vk5jst antenna analyser is a handy piece of test equipment which can serve as a source of rf from 1. The new chip is, as claimed by revolution education, pin for pin compatible with the old one, but is not directly software compatible because the processor is run at.

The vk5jst aerial analyser and the 18f25k22 chip picaxe. If you are testing or building a single antenna or designing an antenna farm, we sell the test equipment you need, swr meter, power meter, field strength, antenna analyzers and more. Believe it or not, this vk5jst aerial analyzer kit is going to rickroll you. Zl2pd digital hf antenna analyser this instrument measures complex impedance over the 1. Discussion in general technical questions and answers started by kl7aj, dec 11. It contains important information on updates to the kit. Impedance and resonant frequency might change from line transformation effects, but the swr will not change.

Received some aa143 diodes in the mail from kn5ute, tried these out and there was a slight improvement at the 30mhz end compared to the 1n60a diodes. It uses the 87c552, a device from the 8051 family, and it uses a standard two line lcd display to show frequency, resistive and reactive impedance components, and vswr, over the range 1. Since the antenna and unum would be home brew i needed an antenna analyzer to measure its characteristics and make endless adjustments. This is an absolutely basic, no frills project using a 12f1840 to sweep a dds module between a range of frequencies. Unfortunately, the latter is also a drawback, as this analyzer cannot be used without a computer. The idea was to learn about how the analyzer works, what the picaxe can do and how it works, and to improve the code as a learning tool for radio amateurs trying to put that test answer about impedance into practical knowledge.

Amateur radio software audio spectrum analyzer, dl4yhf, 1940. Oct 26, 2012 believe it or not, this vk5jst aerial analyzer kit is going to rickroll you. The origin of this circuit is an australian ham who developed this aerial analyzer easy to find under aerial analyzer, vk5jst, jim tregellas. The software assumes that the calibration set is perfect and obtains its results by comparing the results from the measurement sweep with those perfect. We spend the winter camping on the various deserts of. Antenne analyzer, vk5jsts aerial analyser correction of the diagrams. Vk5jst aerial analyzer software reengineering update about what happened to the vk5jst aerial analyzer picaxe software at k1cd picaxe basic code at the link.