2004-03-10
Below is a list of reported IC-746PRO radios. Please provide me with your details in order to be listed. I will nut surf the net to collect data myself.
S/N | Purchased | TX failed | Conditions | Call | Usage | Modes | Connected to | Grounded |
3511 | 2003-04 | 2003-05 | Died while radio was on constantly as a burn in period for upcoming DXpedtion. | WA4ET | Intense if VHF bands open, otherwise almost no usage (primary HF radio: FT-100MP). HF only used as backup radio. | SSB, occasional PSK31 and RTTY | Titan PA | |
S/N hereafter have factory installed ESD fix diodes | ||||||||
3623 | 2003-03-19 | 2003-08-15 | Started to show rapid power drops. Later distortion. Replaced before completely dead. | OZ2M | Intense if VHF bands open, otherwise almost no usage. HF only used as transverter IF. | SSB, CW and Digital | Transverter + home made PAs | Yes |
3715 | 2003-06 | 2003-12 | Worked OK, then sudden no TX any band/mode. | K5LXP | Casual HF, and 6 m. | SSB, PSK, CW. | Any one of 10 or so different antennas. No amplifier. | Using antenna relay matrix that grounds antennas when off. Coax grounded at shack entry through arrestors and ground plate. Equipment chassis bonded and grounded. |
TX failed should relate to the IC151 problem, partially or in full.
Please send your details to me: "my callsign" at mail dot my country. If you have other ideas for new columns please let me know.
Bo, OZ2M, www.rudius.net/oz2m