[Milsurplus] Collins 75A-4 Receiver Coverage

[WA5CAB at cs.com]

I thought someone else would have asked this err now but the obvious question 
is why buy the limited coverage 75A variant instead of the 51J?  And bugger 
around with what bands you thought that week that you needed coverage in?  I've 
never personally owned a ham-band only HF receiver and only (very briefly) 
one transmitter.  God knows SAC could have gotten away with buying 51J-4's.

In a message dated 2/14/2009 7:11:07 PM Central Standard Time, 
ka1kaq at gmail.com writes: 
> On Fri, Feb 13, 2009 at 10:49 PM, Mike Morrow <kk5f at earthlink.net> wrote:
> 
> >I wonder why the USAF version didn't take advantage of adding a couple
> >of bands, or why the USN version didn't include something more useful
> >for military purposes than the 29 to 30 MHz coverage.
> 
> Just a SWAG since at that time I was NYB (Not Yet Built) is that, as
> Marty or someone indicated, these units were a stop-gap measure until
> the URC-32 (KWT-6) and related gear came on line. Some of the first
> synthesized rigs(maybe *the* first?), they were in development for a
> while as SSB became the rage for comms work. I think SAC ended up with
> the first ones, but anyone who did Navy comms time then knows they
> used a bunch as well.
> 
> Not well known, earlier A-Line gear was also used by the military.
> Somewhere I have a shot of a rack of 75A-2s in military use. There are
> also several references online of bases/outposts that used the KW-1
> transmitter.
> 
> Collins made some of the best communications-grade HF gear. The fact
> that it worked well for amateur or aviation work was just that much
> better.
> 
> ~ Todd,  KA1KAQ/4
> 

Robert & Susan Downs - Houston
wa5cab dot com (Web Store)
MVPA 9480
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