[Milsurplus] "BC means Basic Component"

[Gene Smar]

 Attached (I hope) is the PPT slide that lists the identities of AN-specified system designators, like "PRC-".  (Yes, "Pigeons" was a legitimate "system" during WW2.)  I also included slides 2 and 3 that show the pre-AN component and system designators and current AN component designators, respectively.  My source for this info was the internet; I don't recall specifics, so don't ask.
Hope this helps.

73 deGene Smar  AD3F
    On Friday, March 27, 2026 at 12:49:11 AM EDT, Gene Smar <ersmar at verizon.net> wrote:   

 "BC" (Basic Component) is the thing that folks identify as the principal element of a Set, Complete, Radio kit. The BC-611 is the hand-held radio part of the SCR-536. Other elements of the SCR-536 are the BA-36 and BA-37 BAtteries, BX-48 was the battery BoX for spare tube and crystals for 5 BC-611s, and CS-156 was the canvas CaSe for the -611.
I have a PPT slide as part of a presentation I do on squad radios that lists many of the meanings for the SCR part of AN-designated equipment. If I can figure out how to PDF it, I'll send a copy as an attachment in a day or two.

73 de Gene Smar AD3F 

Sent from my Radio Shack TRS-80 model 100 laptop 
 
  On Thu, Mar 26, 2026 at 3:25 PM, Brenda Gentry via Milsurplus<milsurplus at mailman.qth.net> wrote:     
Ages ago I read it meant "Basic Component",   usually a part of "SCR____" or Signal Corp Radio. 
 
 
   B. Gentry, KA2IVY
 
 On 3/26/26 2:44 PM, Hubert Miller via Milsurplus wrote:
  
 Good heavens ! I was trying to look up any info on the BC-976 direction finding radio receiver, and i saw that 'Radionerds' says "BC" means "Boxed Component" !!! Oh ? How is such an error even possible !? Granted, Radionerds HAS been a blessed lifesaver for me at times, providing  even a manual i had zero chance of finding on my own. -Hue Miller 
  
   Sent from my Galaxy  
  
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