Have never experienced AGC pumping with 500 Hz filter, even in DX
contests. Been playing around in FD as 1D, and strong signals are
stacked so close that, for the first time, with the DSP at 150 Hz and
100 Hz, strong adjacent signals are activating the HW AGC. I can
separate the signals with the DSP which is really surprising. I know
about "brick wall filters," now I'm using one. :-)
20 is still wide open here on the western frontier at 0245 UTC despite
K=4 and rising from the M.8 flare a couple days ago.
73,
Fred K6DGW
- Northern California Contest Club
- CU in the 50th Running of the Cal QSO Party 3-4 Oct 2015
- www.cqp.org
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