[Elecraft] Re: K1 on USB CW

[Steve Lawrence]

Vic - As I recall from about a million years ago, when the hardware was 
actually built, when you subtracted to get to 75m, the sideband 
reversed. If not, the standard on 160-80-40 today would be USB - but it 
isn't.

73, Steve WB6RSE

On Jun 17, 2004, at 4:59 PM, Vic Rosenthal wrote:

> This is just wrong.  Say you generate a USB signal at 9 MHz from a 1 
> KHz
> audio tone.  The (suppressed) carrier of the generated USB signal is at
> 9.000 MHz and the upper sideband is at 9.001 Mhz.  Then mixing with a
> 5.0 MHz VFO would give sum frequencies of 14.000 and 14.001 MHz as well
> as differences of 4.000 and 4.001 MHz.  This is USB in both cases.
>
> Of course, the VFO would tune in opposite directions.
>
> Even a CW operator like me can add and subtract!
>
> -- 
> 73,
> Vic, K2VCO
> Fresno CA