[Milsurplus] Alexanderson alternator on Xmas eve

[John Kolb]

At 11:33 AM 12/9/2007, Mike Morrow wrote:
>Thirty years ago, US submarines used specialized limited-coverage 
>AN/BRR-3 sets (14 - 30 kHz) for their critical VLF communications 
>needs.  They also had one of these wider-coverage AN/WRR-3 sets, 
>even though surfaced submarines weren't required to guard 500 
>kHz.  I've never seen the AN/BRR-3 in surplus.  It would not be as 
>useful (except to copy SAQ) as the AN/WRR-3, though it would be an 
>interesting relic of the Cold War, just like those AN/WLR-6 receiver 
>modules that show up from time-to-time.  The AN/WLR-6 was a signals 
>intelligence collecting console installed on many US fast attack 
>submarines during the Cold War.

I've got a pair of the R-1449/WLR-6(V) receivers, so could use any 
info anyone has on them.
http://www.jlkolb.cts.com/site/1449.htm

One of the two has a strange problem with images from CW stations
just above 4 MHz coming through.  The input low pass or bandpass filter
is being bypassed, somehow.  Any suggestions?

John
KK6IL


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