The Bare Mixer Challenge
No Date UTC
Time
Frequency
MHz
Tx/Rx Station 1 Station 2 Link Details
1 7/11/2018 06:40 122,250.15 Tx/Rx VK5ZD VK5KK Video Both stations using bare mixers. CW contact. Reports 51 both ways. Transmit power at both ends is an estmated 100uW. VK5ZD using  a 40cm prime focus dish. VK5KK using a 30cm offset dish. Distance 13.1km - a new national record.
2 7/11/2018 06:50 76,032.15 Tx/Rx VK5ZD VK5KK   Both stations using bare mixers. Voice (FM) contact. Transmit power at both ends is an estimated 500uW. VK5ZD using a 30cm prime focus dish. VK5KK using a 30cm Nurad dish with a suspected incorrect feed horn (to be investigated). Distance 13.1km.
3 14/11/2018 10:30 1296.15 Rx VK5ZD VK5NE Mixer Received SSB signal from VK5NE, 51. Distance 3.3km. Dead simple mixer using a 1N5711 diode with L.O. from my signal generator on 866MHz and FT-817 I.F. radio set to 430.15Mhz.