[Elecraft] KSB2 OP1 Filter BFO adjustment for xmit

[Bob Nielsen]

On Feb 12, 2006, at 6:06 PM, Cathy James wrote:

> Don Wilhelm wrote:
>> Cathy,
>>
>> Yes there is a simpler way to do that!  That way is called  
>> Spectrogram - an
>> audio spectrum analyzer that runs on a Windows computer (there are  
>> others
>> that will work on other OS's, but doesn't everyone run Windows <G>).
>>
> Actually I am reading this on Linux.  But the machine is dual-boot  
> with a Windows partition, so in a way the answer is still "yes". :-)
>
> Thanks to Don and everyone who replied.  I have whipped up the  
> connector cable and calibrated everything with Spectrogram.  I  
> don't know how well the result will sound, but the passband sure  
> looks like it's in the right place now. :-)
>

I did my alignment on a Linux machine using one of the digital mode  
programs which had a spectrum display (possibly it was GMFSK, but if  
was a few years ago so I don't remember for sure.)   There are many  
ways to skin that cat :^)

73,
Bob Nielsen, N7XY