This is a classic Motorola R-390A receiver. It covers 0.5 to 32 MHz in 32 bands with 1 kHz readout. This radio has working S and AF Meters plus easy to turn kHz knob and MHz knob. It features Collins PTO and filters. Comes in a table-top cabinet, or can be 19 inch rack mounte...
R390A.COM Ted Robinson, K1QAR •Performance •Hints + Kinks •R-390A Design vs R-390 •Overhaul Checklist •OverhaulDiscussion •630 Meter Tuning
外部播放此歌曲> Firas Tarhini - Take a Chance (Radio Mix) 专辑:Take a Chance 歌手:Firas Tarhini 还没有歌词哦
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, Philip K Dick imagined a post-apocalyptic world disappearing under the combined impacts of chemical and radioactive pollution, and the inescapable invasion of person... M O'Brien - 《Ecologist Journal of the Post Industrial Age》 被引量: 0发表: 2008年 加载更多...
Naval radio direction-finding direction-finder and explains how the various requirements of accuracy, sensitivity, coverage of the whole h.f. band with a minimum of design and ... C Crampton - Electrical Engineers - Part IIIA: Radiocommunication, Journal of the Institution of 被引量: 15发表:...
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