W3SZ

NJD Technologies’ Blog pages by KB5NJD, John Langridge, are one of the best sources of information I’ve found for 630m (and 2200m). W5EST put some of the information in these blog entries into book form.  The book has 22 chapters….

  The graph above is a comparison of signal levels for 630m WSPR signals simultaneously received at my station between December 10 and December 12, 2017 on the 500 foot BOG “aimed” at 250 degrees azimuth and the 200 foot…

Yesterday I installed my first BOG (Beverage On Ground) at Hilltop.  Russ, NN3Q, was kind enough to loan me two 200-foot BOGs with transformers that he had taken out of service on 160 meters.  So the BOGs are a bit…

I heard my first signals and got my first decodes last night on the 2200m / 0.136 MHz band! My first decode, which came immediately on my tuning to this band, was from WH2XND in DM33, 3356 km away from…

One of the first questions I have had as I am getting started with 630m is, “How well am I doing in terms of my receive system”? Fortunately, there is a great tool available to all of us for testing…

There was not much new overnight on 630m. I had 250 simultaneous decodes on both antennas bringing the number of simultaneous decodes since I put up the new antenna on Saturday 10/28 to 604. There were no new stations copied….

I am currently exploring the 630m band primarily by monitoring WSPR broadcasts, in order to get a sense of what propagation is like, and what my receive capabilities are. I have two openHPSDR Hermes transceivers at Hilltop, each one hooked…

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