[Elecraft] New K3 F/W - MCU: V 1.49 DSP: V 1.46 NR Improved.AM added

[Lyle Johnson]

> Yes,  I can set the HI CUT to 3Khz.  Can it be increased to 6KHz to 
> match the AM roofing filter?

Not in AM mode.  In AM there are two sidebands, so an audio frequency of 
3 kHz results in upper and lower sidebands, thus requiring a 6 kHz filter.

In SSB mode, you can set HI CUT to a much higher frequency.  The K3 can 
pass audio with an upper limit around 5 kHz.

73,

Lyle KK7P