I believe it was a convention that arose because of the configuration of
the early phasing exciters. IIRC, it was easy for them to generate the
SSB signal at a frequency between 40 and 20, and then mix either up or
down, but a side-effect was that everything below 20 was LSB.
73, Pete N4ZR
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On 11/5/2009 10:15 AM, Steve London wrote:
> Not a bad idea, at all.
>
> Where did this business about high bands being USB, and low bands being LSB
> come
> from, anyway ?
>
> Are there any technical or legal reasons why we shouldn't switch to USB on 40
> meters ?
>
> 73,
> Steve, N2IC
>
> kr2q@optimum.net wrote:
>
>> Recently, there has been some comment (privately and otherwise) about USA
>> guys being
>> "out of the band" on 40 SSB. Namely, how close to 7125 can you get, not the
>> "ooops"
>> type of split event where you end up using the "wrong" VFO.
>>
>> Call me stupid (nevermind, that's been done before), but why are we still
>> using LSB on 40m?
>>
>> If we would all agree to use USB on 40 SSB, then we could snuggle up against
>> the bottom
>> edge. Yes, this would cause the "reverse" problem at the top end, but
>> really, who is trying
>> to run guys from up there? For most of us, our antennas aren't that broad
>> any way.
>>
>> In theory (or on paper, if you prefer), this would allow us to fit stations
>> in (well, maybe 2 more)
>> in the valuable "lower half" of the phone band. And just think...one less
>> item to complain about.
>>
>> Using USB on 40...wow...talk about extreme "out of the box" thinking. I
>> wonder if that would
>> qualify for the XTREME category in CQWW?
>>
>> de Doug KR2Q
>>
>> PS...this is actually a REAL suggestion.
>> _______________________________________________
>> CQ-Contest mailing list
>> CQ-Contest@contesting.com
>> http://lists.contesting.com/mailman/listinfo/cq-contest
>>
>>
> _______________________________________________
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>
>
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