[Elecraft] K3 Roofing filters

[Bill W4ZV]

Paul Barlow-2 wrote
> Is the widest bandwidth available to the receiver the width of the widest
> roofing
> filter?

Correct.  If you operate mostly CW, you may be wasting money getting wider
filters than the stock 2.7 kHz...you definitely need a 500 Hz or lower
filter for CW to prevent blocking in the presence of strong (S9+20) signals.

73,  Bill  W4ZV




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