In this case it looks as if the AC0C has a simple SDR with an I/Q
balance problem. In both cases reported the "spur" is equal distant
on 1,842.65 KHz.
73,
... Joe, W4TV
On 2/2/2016 12:46 AM, Wayne Burdick wrote:
"Milt -- N5IA" <[email protected]> wrote:
Mike,
From my remote station which was operated by KY7M in the contest, I noticed
the same thing from the AC0C RBN box.
....BUT, I am sure the problem is with the AC0C receiver and NOT our K3
transmitters.
This could happen if the receiver in use was subjected to a signal beyond its usable
dynamic range. For example, a very strong carrier could mix with another strong station's
CW to create "ghost" signals (third-order intermod) for the duration of the
carrier. Another possibility is demodulating a strong signal due to a spur in the
receiver's local oscillator. Such scenarios are much more likely during heavy contest
activity.
Wayne
N6KR
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