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Post by ytradio on Sept 21, 2018 16:05:01 GMT -5
I know it is out there somewhere, but I have not been able to find it. Does anyone know the date that SSB mode became legal for use on the CB band in the US? I have been having a discussion with some old time locals, and none of us know.
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Sandbagger
Administrator/The Boss 
Posts: 6,247 
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Post by Sandbagger on Sept 21, 2018 21:24:14 GMT -5
I know it is out there somewhere, but I have not been able to find it. Does anyone know the date that SSB mode became legal for use on the CB band in the US? I have been having a discussion with some old time locals, and none of us know. That's an interesting question. DSB/SSB transmissions were being made as early as the mid 60's. I do know the FCC amended the technical requirements around that time, so that may have been the time that suppressed carrier modes became authorized. 1966? |
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Post by 2600 on Sept 23, 2018 0:32:55 GMT -5
I remember articles in Electronics Illustrated magazine from that era. Found that magazine posted on line. If you open the May 1965 issue of EI here: www.americanradiohistory.com/Archive-Electronics-Illustrated/Electronics-Illustrated-1965-05.pdfScroll down to page 63, you'll find Chet Stevens' article "Sideband scorecard for CB". According to him, the first true single-sideband CB was the Mark Sidewinder. Everybody else was still screwing around with double sideband. The Tram Titan, Regency Range Gain and some others would receive either single sideband, but would still transmit both sidebands. The real breakthrough was single sideband on transmit, as well. I vaguely remember another article on SSB CB before this one, but I haven't tracked it down. 73 |
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Post by 2600 on Sept 23, 2018 1:33:34 GMT -5
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Post by ytradio on Sept 25, 2018 16:21:09 GMT -5
First off, thanks a lot guys for the info. And 2600 the articles are great and very informative, and I can see now why it has been a hard answer to find. There does not seem to be a clear cut answer. Sandbagger is probable pretty close with 66, being enough on the air by this time to call SSB mode active. 73 Whitey
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