MIL-HDBK-162 A
Volume 1
15 December 1965
Section 2
DATE: 1 March 1965
ITEM NAME: TRANSPONDER SET
COGNIZANT SERVICE: USAF
TYPE: AN/APX-25A
FEDERAL STOCK NUMBER:
USA
USN
USAF
USMC
STATUS OR TYPE CLASSIFICATION
Ltd Std
Mfg(s) Name or Code Number: Stewart-Warner Electronics
ground, shipboard or airborne IFF recognition
FUNCTIONAL DESCRIPTION
installations. The equipment receives and decodes
challenging radio signals originated and beamed by
Transponder Set AN/APX-25A is an airborne pulse
either of two IFF interrogating systems; mark X or
type transponder set which provides automatic selective
selective identification feature (SIF).
identification of the aircraft in which it is installed to
AN/APX-25A: 1
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