[Elecraft] KX3 Non-ham band upconverter use

[Harry Yingst via Elecraft]

There are a few of these available comercially.
A very inexpensive one is made by Jackson Harbor PressThe one by Jackson Harbor uses 10 Mhz (http://wb9kzy.com/lfconv.htm)
I plan on building another that uses an external 10 Mhz freq sourceso I can use the same DPS Disciplined Oscillator that I use for my K3.





      From: Ben Hall <kd5byb at gmail.com>
 To: elecraft at mailman.qth.net 
 Sent: Sunday, December 7, 2014 9:47 AM
 Subject: [Elecraft] KX3 Non-ham band upconverter use
   
Good morning all,

I'm toying with the idea of building an oven-stabilized LF upconverter 
for my KX3.  Ideally, I'd want to move LF up to the 7 MHz band to keep 
the math easy and to put signals into a ham band where the KX3 more than 
likely performs its best.

However, not many 7 MHz ovenized oscillators out there.  So, more than 
likely, I'll have to move signals elsewhere.

With the KX3 designed as a ham transceiver, I'd assume performance 
outside the ham bands isn't as good as in the ham bands.

1)  Is this true?

2)  Is there a preference for a non-ham band frequency range?  IE:  Is 
there any advantage to 10 MHz versus 5 MHz versus some other range?

thanks much and 73,
ben, kd5byb




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