Multiband wire antennas and ATUspop
- DC1YB experience on multiband wire antennas. In particular examine FD4 windom and G5RV antenna, considering noise levels and matching aspects.
Author reviews also the usage of Automatic antenna tuners in TS-50 TS-480 and GC-3000
Live Amateur Radio Contest Scores
- This website accept live Amateur Radio Contest Scores from contesting logging programs, and produce web output showing the real-time status of participating stations. by W1VE
30 meters digital group
- Group dedicated to 30 Meter digital activity on this unique HF band! All licensed Hams and SWLs anywhere are welcome to join in. Include live PSK 31 receiver, dx spots and event calendar
ICOM 746 Temperature Measurements
- The ICOM 746-Pro has acquired a history of NEC 1678G (IC-151) MMIC and driver transistor 2SK2975 failures. The failure of IC-151 appears to be a combination of ESD damage from electrostatic charge on the antenna entering IC-151, and perhaps thermal heat.