MIL-HDBK-162A
Volume 1
15 December 1965
Section 1
DATE: 15 September 1964
ITEM NAME: RADAR BEACON
COGNIZANT SERVICE: USAF
TYPE: AN/UPN-4
FEDERAL STOCK NUMBER: 5895-699-0015-EG
USA
USN
USAF
USMC
STATUS OR TYPE CLASSIFICATION
LS
Mfg(s) Name or Code Number: Gilfillan Brothers
from an interrogating radar, the beacon receiver triggers
FUNCTIONAL DESCRIPTION
the beacon transmitter which, in turn, transmits coded
response signals.
The response signals provide
Radar Beacon AN/UPN-4 is a portable transponder
recognition, azimuth and range information.
designed for ground operation in conjunction with
airborne radar equipment. Upon reception of signals
AN/UPN-4: 1
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