FT-817ND vs FT-991 using the same Antenna – HyEndFed 5 Band. To give the FT-817ND a fighting chance, I have added the CW filter and I have connected it to the MLS-200 external speaker. I do adjust the RF gain on both radios during the video to reduce the band noise.
Hambuilder HBR8HF HF transceiver full set board and parts This is an assembled and tested board set for build fully operated HF All band transceiver c... Read more
Markus Vester DF6NM successfully used the digital mode OPERA to send a 2.5 milliwatt signal on 2.4 GHz through the amateur radio transponder on the Es... Read more
KD0CQ has recently been experimenting with trying to receive signals at frequencies of up to 4.5 GHz with an RTL-SDR and downconverter. Since a typica... Read more
AMSAT Vice-President of Operations, Drew Glasbrenner, KO4MA says that the camera on AO-92 is planned to be used to try to image Hurricane Florence dur... Read more
HF propagation prediction tool for Amateur Radio System Requirements Hardware: 600 MHz Pentium II CPU; 64 Mb RAM; 16-bit or 32-bit color vide... Read more
The 40 MHz OZ7IGY beacon was migrated to the Next Generation Beacons platform on March 25. The beacon was activated during a 60th anniversary event fo... Read more
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