[Elecraft] Variable bandwidth crystal filter

[Chuck Guenther]

J.R. Groeger wrote:

"I seem to remember talk some time ago about a variable bandwidth 
crystal filter becoming available for the K3 at some stage. Anyone know 
the status of its development?"

 With the upoming 10 Hz resolution DSP upgrade (Firmware 3.23 being 
talked about), I certainly wouldn't see much need for a variable BW 
roofing filter.

73,
Chuck  NI0C
K2, K3