[Milsurplus] RM-52 for AR-8510 RCA LF Receiver

[Robert P. Meadows]

The RM 52 was back when radios all had tubes and there were on cell phones the desired unit to make Macy’s Phone Patch.

R

 

From: milsurplus-bounces at mailman.qth.net <milsurplus-bounces at mailman.qth.net> On Behalf Of Richard
Sent: Wednesday, April 24, 2019 3:24 PM
To: milsurplus at mailman.qth.net; Hubert Miller <kargo_cult at msn.com>
Subject: [Milsurplus] RM-52 for AR-8510 RCA LF Receiver

 

Ops.  The RM-52 is an army remote control unit.  It has two line terminals and phone and mic jacks.  It's mentioned in the Surplus Radio Conversion Manual Vol. 3, briefly, for conversion to a phone patch.  The battery control panels in the 3U and 4U consoles were labeled RM-2 ans RM-4.

Richard, AA1P

The RM-52 is some kind of battery control panel, and would have been used in an RCA 3U or 4U console, probably.  The AR-8510 was used in consoles, and also in a box with shock mounting for separate use.  I have one, and it works very well.  A few years ago I worked a Canadian cross-band, 80 to 630 Meters, listening on the AR-8510.  It was nice hearing to it talk to me.  There isn't much intelligible to listen to down there now.  Aircraft beacons are disappearing, and the long-wave broadcasting stations from Europe are usually too weak to be intelligible.  I use it to listen to the annual Christmas Eve broadcast from SAQ on 17.2 Kc.  (SAQ, the last operating rotating machine transmitter, in service since 1924, in Sweden)

Richard, AA1P

On 4/24/19 3:29 AM, Hubert Miller wrote:

I found a thing labeled "RM-52" and "NPR-295" for the RCA receiver AR-8510. This is a panel only type thing with a

voltmeter and I am wondering if it was intended to mount into some kind of console, or has it been robbed of its own

cabinet? Did the AR-8510 come in two configs, one for installation in large mounting and another as standalone with its

own shockmounts ?

I am unfamiliar with the "NPR-" designation; anyone know what that refers to ? I did not get the 

receiver itself and have scant chance of actually finding one, so this item is actually pretty useless to me. Thanks- H M

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