Tom,
Where is A3J specified as 3 KHZ please ?
Terry W6RU
> Second, you can not cause harmful QRM outside of the normal
> occupied bandwidth allocated for that mode. (A3J means 3kHz
> wide)
> 73, Tom W8JI
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§97.307 Emission standards.
(a) No amateur station transmission shall occupy more bandwidth than
necessary for the information rate and emission type being transmitted, in
accordance with good amateur practice.
(b) Emissions resulting from modulation must be confined to the band or
segment available to the control operator. Emissions outside the necessary
bandwidth must not cause splatter or keyclick interference to operations on
adjacent frequencies.
(c) All spurious emissions from a station transmitter must be reduced to the
greatest extent practicable. If any spurious emission, including chassis or
power line radiation, causes harmful interference to the reception of
another radio station, the licensee of the interfering amateur station is
required to take steps to eliminate the interference, in accordance with
good engineering practice.
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