Agreed.
On Wed, Nov 2, 2016 at 3:23 PM, David Siddall <hhamwv@gmail.com> wrote:
> Actually, Gerry, the FCC amateur rules are explicit on this very point.
> Section 97.307(b): "Emissions resulting from modulation must be confined
> to the band or segment available to the control operator." In other
> words, you must keep your emissions entirely within your permitted band.
>
> A properly adjusted LSB signal will extend about 2.8 kHz below the
> carrier frequency. To comply with band edge, the lowest one can
> reasonably go without professionally adjusted and monitored amateur
> equipment when using LSB is 7.128, or 3 kHz. Even this close assumes that
> your transmitter is operating correctly and is properly adjusted.
>
> 73, Dave K3ZJ
>
>
>
>
> On Wed, Nov 2, 2016 at 11:30 AM, Gerry Hull <gerry@yccc.org> wrote:
>
>> Just to put a fine point on it, 7125 is the band edge. The FCC regs
>> don't
>> say "Don't go within 3 KHz of the band edge", but of course, technically,
>> that makes perfect sense. There are obvious violations outside of this,
>> but band-edge violations by mode are probably not something people are
>> going to take a coronary about it. It is best to avoid them. (CW is a
>> different story).
>>
>> I presume the log checking software uses the actual band edge, and does
>> not
>> compensate for LSB/USB.
>>
>> Probably most violations occur in the excitement of picking a packet spot
>> which is a new multiplier pops up. One fix is for the contest software
>> to prevent picking out-of-band spots for your country or region.
>>
>> Gerry W1VE
>>
>> On Tue, Nov 1, 2016 at 3:12 PM, W0MU Mike Fatchett <w0mu@w0mu.com> wrote:
>>
>> > For the USA it is 7.125, if I wanted to stay legal and keep my LSB
>> signal
>> > in the US band I would want to not transmit any lower than say 7.127?
>> Do I
>> > have this right?
>> >
>> > W0MU
>> >
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>
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