[Elecraft] K3 ESSB transmit now allowed with the FM filter (firmware rev ...

[AC6JA at aol.com]

Which Rigol model spectrum analyzer do you use and are you happy with  it?
 
Mike  AC6JA
 
 
In a message dated 11/17/2012 1:33:32 P.M. Pacific Standard Time,  
n6kr at elecraft.com writes:

I've  modified the K3 software to allow use of the FM filter for ESSB   
transmit. (The current beta release, 4.58, already allows AM  transmit  
with the FM filter.)

The AM filter (6 kHz BW) is  still a much better choice for AM and ESSB  
receive, because it  provides better close-in dynamic range. But it  
turns out that the  difference between the two filters is fairly minor  
in transmit. I  have a new Rigol spectrum analyzer which made it easy  
to do a  detailed survey at both narrow and wide spacings.

If you're interested  in testing the new field-test release (4.60),  
please email me  directly.

73,
Wayne
N6KR

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