[Milsurplus] bc-348 letter ident assistance

Sat, 10 May 2003 10:23:17 EDT

Leigh,

I guess you got my earlier direct message about the different manuals and the 
three basic receiver groups.  AN 08-10-209 has separate schematics for the 
BC-348-EMP and the -OS but try as I will, I cannot see anything different 
between them.  It may be there but it's also possible that whatever it was, 
it's been removed from the one that you have anyway (as I said earlier, the 
first ID key is the audio pack assembly, which is missing).

However, I did turn up a discrepancy in the period documentation that I would 
like to correct if anyone has a "guaranteed to be" BC-348-E.  Two different 
manuals that I have that cover among other models the -E say that it has the 
200-500 KC band 1.  One manual is from '42 and one from '44.  However, the 
Airborne Radio Equipment Handbook from '43, in a section on ferry aircraft 
radio requirements, says that all existing BC-348 models prior to the -H 
don't have the low band.  This would be -BCEG (-ADF don't exist).  Can anyone 
shed light?

In a message dated 5/10/2003 3:04:59 AM Central Daylight Time, 
[email protected] writes: 

>         i got a bc-348 and i've narrowed down the letters to the
following M O E but are there any differences between those to tell what
letter bc-348 i have exactly as its been modified has had a mains power
supply fitted and the audio output transformer changed and som other
mods that i have yet to work out.

73
Robert Downs
Houston
<[email protected]>

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