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. |
4 | 17/02/2019 | 02:30 | 47088.15 | Tx/Rx | VK5ZD | VK5KK | VK5ZD using bare mixer (I3OPW) to 30cm Nurad dish. Distance 92km. | |
5 | 17/02/2019 | 02:40 | 47088.15 | Tx/Rx | VK5APN | VK5ZD | VK5APN using bare mixer system to VK5ZD using Kuhne transverter. | |
6 | 15/09/2019 | 07:20 | 5760.15 | Tx/Rx | VK5OI | VK5APN | Image | Approx 34km. Sent 5/9. Received 4/1. Mixer is an
Advanced Microwave M30001MA. LO is a ZLPLL 14GHz. Log periodic PCB antenna feeding a 60cm offset dish. |
7 | 15/09/2019 | 07:20 | 10368.15 | Tx/Rx | VK5OI | VK5APN | Video | |