[Milsurplus] R648/ARR41 serial number 573

[Francesco Ledda]

In 1976, the P-2E and the SP-2E had indeed the ARC-38 or ARC-38A installed.
This was part of the Aircraft Service Change 879.

In 1961, the P2V-5F had and ARC-38, and ART-13, an ARR-41 and an R23/ARC-5.

In 1961, the P2V-7c had two HF configs:

1) 
HF 1 ARR-15 and ART 13
HF 2 ARR-15 and ART-13 

2) 
HF 1 ARC-38
ARR-41

These are snapshots, and there may have been further updates to the fleet at
a later time.

Best, Francesco K5URG
Collins Collector Association Board Member

-----Original Message-----
From: milsurplus-bounces at mailman.qth.net
[mailto:milsurplus-bounces at mailman.qth.net] On Behalf Of Jack Antonio
Sent: Sunday, August 26, 2018 10:07 AM
To: milsurplus at mailman.qth.net
Subject: Re: [Milsurplus] R648/ARR41 serial number 573

In this discussion of P2V Neptunes (I prefer the pre-1962 designations)
and AN/ARC-38s, I have two questions(among many).

First, was a CW key provided for the radio operator, and if so, what 
type? I have the
ARC-38 up and running, and am about halfway finished integrating it with 
the R-648.

Although it may not be historically accurate, I am tying it all together 
with an AN/AIC-10
interphone system, with provision for an AN/ARC-55 and AN/ARN-6.

Second, what was the antenna system for the ARR-41? Was a separate antenna
provided, or was there some kind of switching system to use the same 
antenna as
the ARC-38? If a separate antenna was used, was there any concern for 
front end
overload of the receiver, or is the R-648 design robust enough to handle 
it? Or
did they ground the receiver input during transmission of the R-648?



Jack Antonio
WA7DIA


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