[Milsurplus] IFF unit? - Mixed Nomenclature Systems

Mike Morrow kk5f at earthlink.net
Wed Nov 10 18:43:36 EST 2010


>Thanks for all the replies and also for all the links to follow up on.
>Still trying to determine it's exact SCR number, but in time we will figure
>that out.

How about right now.

It doesn't have an SCR number.  As I posted earlier, the BC-1293 is part
of a system with the JAN nomenclature of AN/CPX-1.

Apparently it started out life as a part of the Signal Corps RC-348 system,
whose nomenclature got changed to the JAN system AN/CPX-1.

Mixed nomenclature systems occurred frequently.  Just a few of many examples:

1.  The SCR-595-A IFF used mostly USN ABK-* components.
2.  The AN/VRC-3 used the BC-1000-A.
3.  The AN/VRC-5 used the BC-603 and BC-604.
4.  The AN/ARN-11 is the MN-26LB.
5.  The AN/ARR-11 is the BC-348-*.
6.  The AN/CRR-1 is the Setchell-Carlson Model 591.
7.  Most versions of the AN/GRC-26 used the BC-610-* transmitter.

In a slightly different case, the common BC-1206-* beacon band receivers had
neither Signal Corps nor JAN system nomenclature assigned.

So, that Signal Corps nomenclature of BC-1293 does not imply that it is
part of a system with an SCR designation.  The closest it came was the
fleeting RC-384 designation.  The JAN AN/CPX-1 will have to suffice.

Mike / KK5F


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