[Milsurplus] AN/BRR-3 VLF receiver

[Nick England]

So who actually manufactured the production AN/BRR-3 ?

Browsing the National Archives search list turned up that ITT and
Collins both built prototypes.
Interesting, Captain......

Radio Receiving Set, Model AN/BRR-3 (XN-2) - Technical Manual; ITT
Laboratories; NAVSHIPS 93439, 1959
Radio Receiving Set, Model AN/BRR-3 (XN-1) - Technical Manual; Collins
Radio; NAVSHIPS 93385, 1959

cheers,
Nick K4NYW