[R-390] production numbers in general - LBAD

Bill Cotter n4lg at qx.net
Mon May 30 09:10:07 EDT 2022


I should also add for the record, All R-390 & R-390A's passing 
through LBAD received the current MWO's for that time. So, every 
LBAD receiver, regardless of pedigree of modules, would have been 
identical in function and specifications.

When we were done with a radio, it was truly "remanufactured and as 
new".

Bill N4LG
===============================================================

I worked at Lexington Bluegrass Army Depot from 1972-1975 during 
college, and we overhauled perhaps thousands of R-390 and 390A 
receivers. There was no effort to keep subassemblies with the 
chassis. In fact, the entire set was torn down to bare metal, 
replated, repainted, reassembled, and operationally tested to 
Collins specs. Each module would be repaired and tested by 
different work groups using test equipment and jigs. Disassembly 
and re-assembly were conducted on lines in a very large warehouse. 
Every receiver that was shipped had a new serial tag with a LBAD 
serial number.

73 Bill N4LG



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