New Toy - General Radio Model 1650a Impedance Bridge
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Woo Hoo! A new toy joins the shack's boat anchor collection. I used this device when I worked at Edo Western many years ago. See this page for a complete description.
In the world of Amateur Radio, there are many hobbyists that combine their love for radio with a love for fine machinery. Here is one example of that combination. Richard Meiss, WB9LPU, has been designing and making home brew keys since 1998. The RotoTwin key, shown in the video below, is one of the most unique. But, his skill does not stop there. Check out the links below the video. REFERENCES: WB9LPU YouTube Videos (it will make you weep!) WB9LPU's Key Corner W1TP Museum of Telegraphy (Richard Meiss Keys)
Table Of Contents Introduction Beacon List Beacon Station If You Hear Me Activity Log Introduction I was playing radio the other day and copied a 10 metre beacon on 28.1995Mhz. I copied VVV VE3IIM/B EN94 73. Super strong, no QRM and nil QRN. 599. S Meter S1 to S3. I looked him up on QRZ (Tim Smith, Hanover, ON N4N 2R5 Canada) and responded to his request for reception reports. He responded and we had a nice email chat. Tim was very helpful and gave me some useful research links. This gave me the idea of running my own beacon using my ICOM 7300 memory keyer capability. I setup a memory of VVV DE W7YV/B W7YV/B DN40 K with a 4 second repeat interval. I am sending this on 10M or 20M. Have not tried 40 or 80, yet, due to antenna issues. The results are intriguing. I was contacted by Jerry, AC5JM, the IARU Region 2 HF Beacon Coordinator informing me that I was not using a coordinated frequency. He provided a list of "clear channel" beacon freq...
One of the projects on my Never Ending Project List is to build a 10 GHz Microwave Station (3 cm band). A logical first step, I think, is to build a 3 cm beacon. There is a great deal of information on that topic. In particular, KA7OEI has done lots of work and published his findings . (TNX CLINT). Thinking about that led me to the discovery that the site websdr.org has nearly a dozen SDRs that listen to the 3 cm band. So, I thought I would make a list here and share it. SDRs Listening To The 3 cm Band http://websdr.suws.org.uk/ One beacon found sending FSCW (Frequency-Shifted CW) and an unidentified digital mode having four discrete frequencies. http://maxiplaya.dyndns.org:8901/ Nice CW beacon on 10368929.65 sending chirpy code. http://ea1rj.cloudns.cc:8888/ No beacons detected. http://erc-websdr.esa.int/ No beacons detected. http://websdr.fvzr.ch:8901/ Beacon at 10368086.74 sending unidentified digital mode. No CW heard. ...
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