[Milsurplus] BC-375E web site (Take Two)

[WA5CAB@cs.com]

Dennis & Mark,

Technically, or officially, the vehicular set that combined the HF and VHF 
radios was AN/VRC-1.  There were two manuals on the set, TM 11-277 dated 
06/17/44 and AN 08-30VRC1-2 dated 01/08/45, of which I only have the later.  
This set combined the SCR-193 (BC-191 & BC-312) and SCR-542.  The SCR-542 is 
the less common but not unknown 14 volt version of the SCR-522.  About the 
only difference between the two is use of 14 volt PE-98 instead of 28 volt 
PE-94 (looking at the nomenclature numbers makes one wonder why they aren't 
the other way around :-) ).  It is interesting to note that the radio portion 
of these VHF sets is a 14 volt set.  The PE-94 has both LV and HV outputs.  
So if anyone ever stumbles across a photo showing the VHF set being operated 
in a 12 volt vehicle with some other dynamotor, that wouldn't surprise me.  I 
have a photo from the Italian campaign somewhere showing a BC-1306 operating 
from a PE-103.

While I have no doubt that there were 28 volt vehicle installations where the 
BC-375, BC-312-*X and PE-94 were used, I've never found anything on the 
subject in print.

Also, the radio set that would most likely have been used at foward airfields 
(not to be confused with FAC) when they were first established on the 
continent and as the war moved north and east would have been the SCR-624, 
which is the ground version of the SCR-522/542.  This is the set that used 
the RA-62 Rectifier-Power Supply.  

In a message dated 1/14/2003 3:06:54 AM Central Standard Time, 
milsurplus-request@mailman.qth.net writes: 
> Ground to air communications to facilitate close air support didn't really 
> come to maturity in the European theater until after D-day and the main 
> radio 
> used for this was the SCR-522, a VHF set originally developed by the 
> British. 
>   In the early days in Normandy, ground units actually stole 522s and 
> kluged 
> them up into jeeps and tanks so they could communicate with the fighters 
> and 
> bombers.   The Signal orps subsequently came up with a ground based SCR-522 
> 
> and BC-191 combination for use by the Army FACs, the 522 to talk to the 
> planes and the 191, which was the ground based version of the BC-375, to 
> talk 
> to other Army ground elements.
> 

Robert & Susan Downs
Houston
<wa5cab@cs.com>


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