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Old November 7th 09, 11:47 PM posted to rec.radio.amateur.boatanchors
MoiInAust MoiInAust is offline
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First recorded activity by RadioBanter: Aug 2008
Posts: 80
Default Hammarlund SP-600, help me to identify which version is...

Diversity is certainly not a new concept. It was present in the RCA AR88
designed about 1938-9!


"Dave J." wrote in message
...
In om on Sun, 1 Nov
2009 15:08:24 -0800, in rec.radio.amateur.boatanchors, 'Richard Knoppow'
wrote:

The JX-17 was intended for diversity operation and has
connectors for the IFO (second conversion oscillator)


Just out of interest, how long has diversity encoding been around? I
thought of it as relatively modern, and I've only read about it from the
POV of digital signals. Is there anywhere anyone'd recommend for a bit of
research? Something semi chronological would be nice.

Dave J