[Milsurplus] GRR-5 vs. R-392

[federico]

Hi Ray,
       as far as I know (but I can be in wrong)the AN/GRR-5 was part of an 
alarm system for gas or aircraft attack, probably not paired with a 
transmitter but stand alone as receiver. Surely somebody has more 
informations. 73 de Federico IZ1FID 





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---------- Original Message -----------
From: "Ray Fantini" <rafantini at salisbury.edu>
To: <Milsurplus at mailman.qth.net>
Sent: Wed, 23 Aug 2006 14:44:41 -0400
Subject: [Milsurplus] GRR-5 vs. R-392

> Although the subject has been beaten into the ground before I still 
> am curious, what was the original intent and deployment of the GRR-
> 5? The broad tuning, lack of standby function and no IF filter show 
> this not to be much more then a repackaged GRC-9 receiver and with 
> the internal speaker, multitude of power options and preset channels 
> it almost appear more along the lines of a moral receiver, except it 
> dose not cover the entire AM band. Before anyone say anything I do 
> know that a GRC-9 only covered 2-12 Mc and the GRR-5 covers 1.5 -18 
> Mc , but look at the tube lineup and controls to me they have more 
> in common then different. When was the first deployment of the GRR-5 
> series? When were they withdrawn from service? They look a lot like 
> they belong with AN/VRC-10 family of radios and less like equipment 
> that was in use in the mid to late sixties but I have several first 
> hand accounts of its use in Vietnam. The R-392 receivers that were 
> in abundance in Vietnam were so superior for AM and CW operations 
> that I would speculate that no one would use the GRR-5 for serious 
> communications work. Was their a transmitter intended to be used 
> with the GRR-5? , The R-392 was always paired with the T-195 in the 
> AN/VRC-19 but cannot picture a GRR-5 with anything. Other questions 
> about the GRR-5, is their any radio with the exception of the GRC-
> 109 with as many power options? Where they at any point in 
> production at the same time as the R-392? And what was the cost 
> difference? Yea, I know that the 392 cost more but with all the 
> stuff jammed into a GRR-5 they could not have been cheap. And on the 
> subject of moral receivers, was their a military purchased radio 
> available in Vietnam for troop use? Ray Fantini KA3EKH
> 
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------- End of Original Message -------