HF Tower by night JOTA 2018This year I agreed to participate in Jamboree On The Air activities with the Scouting group Nootdorp. This group never had the change to join a JOTA before so it was their first time. I helped a few times with JOTA-activities but never as the lead amateur. So there was a connection as first timers. Continue reading

wspr

Latest situation of the WSPR-RX

A while ago I did build my first 30m WSPR-RX to participate in the WSPR-challenge. I must admit it is very addictive! It did not took long before I was building my second WSPR-RX. This time a little bigger since the first one was too much miniature. Also I wanted to add some tweaks.
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wspr

WSPR-challenge

PA3FYM WSPR-challenge receiverThere is buzzing a new phenomenon at PI4RCG (our local HAM club): the WSPR-challenge. One prominent club member, Remco PA3FYM, founded this WSPR-challenge with Richard PE1ITR. Essentially they download the whole WSPR-spot-database once every night and parse it in a top 50. The result changes per day. This challenge only consist of reported spots to wsprnet.org. So you can sneak peak at wsprnet.org site to see your uniques. Since wsprnet.org only logs your reported spots, this challenge is actually a RX-only contest.
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