I will ask here before calling Elecraft.

First, I have the following filters installed on the main rcvr, all 8 pole: 6 Khz, 2.8kHz, 1.8 kHz, 400 Hz, 250 Hz.

There are two issues:

1. When I turn my 250 Hz filter on in config, and then select that filter (which is FL5 here)I can hear noise coming through but no cw signals come through. I can see the signals on my PowerSDR/LP-PAN setup and CW Skimmer. Signal comes through all the rest of the filters O.K. Yes, I opened the radio, and all the filters are installed.

2. I run CW Skimmer with my K3. When I change filters, the CW offset signal shown on CW Skimmer changes. I thought the 8 pole filters had no offset. Is anyone else experiencing this? Any comment appreciated.

Dave, W5UN

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