MIL-HDBK-162A
Volume 1
15 December 1965
Section 3
DATE: 1 July 1964
ITEM NAME: RADAR RECOGNITION SET
COGNIZANT SERVICE: USN
TYPE: AN/UPX-4
FEDERAL STOCK NUMBER:
USA
USN
USAF
USMC
STATUS OR TYPE CLASSIFICATION
Used By
Used By
Mfg(s) Name or Code Number: Federal Telecommunications Laboratories (90348)
types of one-microsecond, double-pulse challenge
FUNCTIONAL DESCRIPTION
signals, synchronized with radar transmission.
It
receives single-pulse, double-pulse, or 5-pulse
The Radar Recognition Set is designed as a shipboard
sequences of one microsecond pulses in the 1080 to
interrogator set installed and operated in fixed or mobile
1130 megacycle band, and provides video for display on
ground units. This equipment transmits in the frequency
any commonly used PPI. The display
band of 990 to 10.10 megacycles, three (3)
AN/UPX-4: 1