2019年6月15日 · How the Drake TR-7 and Icom 7300 Changed Amateur Radio The Drake TR-7 and Icom 7300 changed Amateur Radio when they came out. TR-7 – Considered the first …

2004年8月11日 · of a large number of TR-5 being sold into South America. In fact, I can't remember a large number of TR-5's being sold to anyone. The sales of the TR-5 were nothing …

2012年2月25日 · Drake 4-line radios used Hi-Z microphone elements (Ceramic or Crystal) and require a 0.206 TRS (3-conductor) plug for the microphone. Switchcraft® and Neutrik® sell …

2021年8月19日 · Drake TR-7 Overview [ATTACH] [MEDIA] How the Drake TR-7 and Icom 7300 Changed Amateur Radio The Drake TR-7 and Icom 7300 changed Amateur Radio when they …

2005年3月14日 · the SW-4. A SW-4A with a serial number of 230 has been reported. This is most interesting as I own SW-4 S/N 225. With only 4 radios between the first version and the …

2024年2月20日 · There are many other examples in the same timeframe - the SWAN 350 et al; Hallicrafters (both TX and RX), FT-101 (1975) and the Drake TR-4 series. **** The Trio TS …

2022年12月14日 · I admit, I am a high-end appliance operator: Rolex, Motorola, Titleist, etc. In the modern era, SDR [proper], SDR Icom - Elekraft, etc. what radio from a modern production line …

2011年1月13日 · I can remember in those days requesting a CONTEST FORUM and having to debate the "validity" of the event. John, WA8ZAN, at the time, sent me an audio cassette, …

2016年1月4日 · Discussion in 'Amateur Radio News' started by KI4JPL, Jan 4, 2016. Page 12 of 28 < Prev 1 ...

2009年10月15日 · Actually, this illustrates the dangers of handing out amateur radio licenses to people who haven't demonstrated any technical abilities.