[Milsurplus] radar help

[J. Forster]

I _think_ the sub Lionfish at Battleship Cove in Fall River, MA has an
APR-1 and an SPA-1. I'll dig out the photos later and send them to you
off-list.

-John

=========


> So AN/SPA-1 would or could have been paired with AN/SPR-1.  Which has a
> similar manual in that it covers both AN/APR-1 and AN/SPR-1.
>
> In a message dated 8/15/2010 5:11:59 AM Central Daylight Time,
> aaf-radio-1 at aafradio.org writes:
>> The aircraft version of the AN/SPA-1 is the AN/APA-6.  The only
>> difference between the two appears to be a steel cover and a shipboard
>> shock mount.  Since it works off of the video (wideband audio) output of
>> any surveillance receiver, it saw wide usage in signals analysis early
>> in the war.  Superseded by the AN/APA-11, which eliminated the flaky
>> meter in favor of direct comparison on the scope of two signals with a
>> Lissajous approach.  The tech manual has both designations on the cover.
>> See http://aafradio.org/countermeasures/surveillance_bay.htm for a
>> description.  It is not complete without the O-10/APA-6X, so there are
>> actually two boxes to look for... :-)
>
> Robert Downs - Houston
> wa5cab dot com (Web Store)
> MVPA 9480
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