Good news! Joe means above 200 metres of course. 73, Dick, PA0SE Dear Group, Good news from Geneva: For the first time ever, we get an allocation below 200 metres. See http://www.arrl.org/arrlletter/
Correction To All from PA0SE Today I had again good reception of SAQ on 17.2kHz. I used a Wandel & Goltermann SLM type SPM-12 connected to the aerial system for 136kHz with 26nF extra in parallel wit
To All from PA0SE Today I had again good reception of SAQ on 17.2kHz. I used a Wandel & Goltermann SLM type SPM-12 connected to the aerial system for 136kHz with 26nF extra in parallel with the loadi
Really fascinating! Tried it at daytime on 30m. 73, Dick, PA0SE Although the software costs $75 one can download a trial version (30 days). It's interesting to see that whilst away from the shack thi
Dr. OM, On http://www.youtube.com/watch?v=-G-siA79K4E&feature=related you find an interesting video on the 1925 Grimeton station in Sweden, using an Alexanderson alternator. 73, Dick, PA0SE
To All from PA0SE James, M0BMU wrote: Dear Bryan, LF Group, Before hauling the AR88LF back to the shed, I tried using it as a tunable front end for another receiver tuned to 735kHz, as was suggested
To All from PA0SE Claudio, IK2PII wrote: SL6440 is a good mixer, low IMD but high noise. For HF receiver it require a preamplifier also for 7 MHz band. I don't agree. I my own homemade transceiver (s
To All from PA0SE When I had to decide what type of mixers to use in my new TRX, a doubly balanced passive diode mixer or the SL6440, I chose the latter for the following reasons. 1. The SL6440 ampli
To All from PA0SE, Heard Laurie with his usual big signal calling DK0UH/p. I received DK0UH/p with an S7 signal. Called them but after a repeated PA0?? reply I gave up. 73, Dick, PA0SE At 13:30 19-9-
Hello MIke, Many thanks for the nice pictures. It was good to see several amateurs I had the pleasure of meeting in person at a LF conference several years ago. Ik was also nice to work MB2HFC with J
Jim, M0BMU wrote: Just now (1450) heard strong CW signals from PA0A - whoever that could be - on 136.3kHz. That used to be PA0AWN, using his new call sign and probably testing his ex-Decca transmitte
To All from PA0SE The Amarican magazine CQ of October 2004 features a review of a new book, written by C. Stewart Gillmore, W1FK and titled Fred Terman at Stanford. Terman became world famous by his
Dear Pat, I could not agree more! 73, Dick, PA0SE At 23:13 22-11-04, you wrote: Hi Dick , My guess is that "Terman's" is the absolute monument anyone could wish for. I have lost count of the engineer
To All from PA0SE If you are still looking for a copy of Frederic Termans 1943 classic Radio Engineers Handbook: internet used books shop Alibris still has seven copies. at prices of 16.18 - 145.95 d
Now there is a westerly station active around 135922, see Argo30 taken at 20:30 - just curious who it might be. That may have been me, using QRSS 30 and DFCW. I lost Markus screenshot so I can not v
Thanks Markus, I intended to run the transmitter the whole night but ended it after a couple of hours because I noted some frequency instability that also shows in your screenshot. I concluded this w