ON3JT https://validator.w3.org/feed/docs/rss2.html CQtube, the YouTube for the Ham Radio Community Historical transmission of SAQ on 17,2 kHz Repair a Diamond X200 VHF/UHF antenna CQ from SAQ VLF transmitter july 2007 German NAVY VLF transmitter DHO38 SAQ Grimeton reception in 2005 My first PSK31 qso with Brazil (PY2VA) Hooray, no spam in here Putting the multiband HF antenna back in it’s original position AWG to metric conversion table Cantenna for the 23cm ATV band Sitemap Short 40m dipole antenna, part 2 QSO with SV1EAG and webcam feedback BITX20 status My first 30m WSPR experiments with a strange call showing up SAQ will be aired again on Christmas Eve Programming a PIC processor with a cheap USB to RS232 adapter Digital Radio Mondiale reception with a simple setup My first qso into the USA using psk31 on 20m Short 40m dipole antenna, part 1 Reception of the VLF transmitter SAQ on june 29th 2008 My favourite tool for listening to webradio’s UBA Spring contest 80M Shack Mailchimp and SPF records About ON3JT APRS Tracker Synology Drive Client sync problem Tiny webcam from broken laptop Archive HAM radio in the International Space Station Ordered a NanoVNA off eBay First mod on AnyTone AT778uv FT8 on 160m this evening HAM humor in WSJT-X (wsjt-z mod) Picked up VLF receiving again SPF records part 2, problem solved at UBA.be Still alive Programming cable for Anytone AT-778uv First test with RTL-SDR v3 stick Online logbook SAQ reception Christmas 2019 Conditions on VHF Reception test with radiosonde antenna The last High Altitude Balloon this year. ISS SSTV Transmissions December 2021 Antenna for RadioSonde RX My homebrew vertical multiband hf antenna FT4, first QSO