[ARC5] Navy Versus USAF Radio Equipment

[J. Forster]

The APN-9 is common and the manual is easily available as a free .pdf.

The APN-9A is very different. It looks like they chopped out 1/3 of an
exsting APN-9 and put in a tube digital timing unit.

I cannot find any info, beyond a line in Wiki. Wright-Pat does not answer
emails. It appears to only have been used in the B-36.

-John

=================



> I'm not positive, but I think the APN-9 was the set in the T29s I learned
> LORAN navigation on at Harlingen (TX) AFB 1961-1962.
>
> Mac, K2GKK
>
>
> Sent from my iPhone
>
> On Mar 30, 2013, at 9:06, "J. Forster" <jfor at quikus.com> wrote:
>
> If it had an APN-9A I would be very, very interested. AFAIK that unit is
> almost mythical. It would be completely mythical if I didn't have one
> sitting here, without a shed of paper.
>
> -John
>
> ===================
>
>
>
>> Looking at my C-119/R4Q-1 pilot's manual I note that the Air Force
>> version
>> has ARC-3, ART-13A and BC-348-Q.  The Navy version has ARC-1, and ARC-8,
>> which is described as an ART-13A and BC-348-E.  Both versions show the
>> low
>> freq oscillator installed.  But the Navy added an LM-14 Freq Meter and
>> apparently also had an ARC-2 installed at the navigator's station.
>>
>> Apparently both versions had an two ARN-7's and APN-1.  The Navy had an
>> APN-4 LORAN set while the Air Force had an APN-9 or 9A.
>>
>> Wayne
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