MIL-HDBK-162A
Volume 1
15 December 1965
Section 1
DATE: 1 May 1964
ITEM NAME: INTERROGATOR SET
COGNIZANT SERVICE: USAF
TYPE: AN/GPX-18B
FEDERAL STOCK NUMBER: 5895-574-0385
USA
USN
USAF
USMC
STATUS OR TYPE CLASSIFICATION
STD
Mfg(s) Name or Code Number: Radio Receptor, Brooklyn, N. Y. C.
fied.
Receives the transponder replies and after
FUNCTIONAL DESCRIPTION
decoding furnishes them to the associated radar
indicator in the form of video pulses. Its narrow beam
The AN/GPX-18B is used for identification of
width interrogations is synchronized with that of the
friendly targets of Radar Set AN/MPS-11. Transmits
radar in azimuth and time thus permitting the reply
coded rf pulses for triggering of transponders of
pulses to be displayed on the associated
Transponder Set AN/APX-25 carried by friendly aircraft
to be identi-
AN/GPX-18B: 1
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