Very good point.
73, Jerry, K0CQ
On 7/1/2010 3:50 PM, CSM(r) Gary Huber wrote:
> Even if you have a clean, low distortion signal, while using an amplifier,
> you need to keep the output to 50W or so to avoid causing AGC compression in
> the receivers of the other stations in the PSK-31 sub-band. Don't forget
> that in PSK-31, many stations are simultaneously using a single 2500 Hz SSB
> bandwidth with a recommended output of 30W. When there are QRO signals in
> the waterfall, the receiver AGC typically causes the weaker signals to be
> less likely to be decoded as their audio will be reduced..... its fairly
> easy to figure out which signal in the waterfall is causing the other
> signals to be compressed but its difficult to politely convey to the
> perpetrator the damage being caused. Few DX-peditions want to offer PSK-31
> contacts for the very reason that many operators will not abide by the
> self-imposed low power necessary to share a PSK-31 sub-band.
>
>
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