MIL-HDBK-162A
Volume 1
15 December 1965
Section 1
DATE: 1 April 1964
ITEM NAME: RADIO INTERROGATOR SET
(COGNIZANT SERVICE: USAF
TYPE: AN/GPX-20
FEDERAL STOCK NUMBER: 5895-342-9468-EG
USA
USN
USAF
USMC
STATUS OR TYPE CLASSIFICATION
Alt Std
Mfg(s) Name or Code Number. Bendix Radio Corporation
received transponder reply to video pulses to be
FUNCTIONAL DESCRIPTION
displayed on the PPI's of the associated radar set. The
interrogator output level and receiver sensitivity are
Radar Identification Set AN/GPX-20 provides
adequate for interrogating and receiving replies from
Mark X IFF for Radar Set AN/mPS-7. The AN/GPX-20
transponders operating within the detection range of
transmits coded radio-frequency pulses to trigger an
airborne transponder identification set and converts the
AN/GPX-20: 1