MIL-HDBK-162A
Volume 1
15 December 1965
Section 3
DATE: 1 July 1964
ITEM NAME: ANTENNA GROUP
COGNIZANT SERVICE: USN
TYPE: AN/UPA-22*, -23**, -23A***
FEDERAL STOCK NUMBER: F5985-665-0921*
F5985-316-2458**
USA
USN
USAF
USMC
STATUS OR TYPE CLASSIFICATION
Sterling Precision Instrument Corp.**
Mfg(8) Name or Code Number: Maryland Electronics Mfg. Corp.*, Hazeltine Electronic Corp.***
between the actual antenna bearing and the desired
FUNCTIONAL DESCRIPTION
bearing, with reliable bearing indication provided by
means of a pilot lamp.
Antenna Group AN/UPA-22, AN/UPA-23, and
The AN/UPA-22, AN/UPA-23, and AN/UPA-23A are
AN/UPA-23A transmit and receive vertically polarized
identical except that the AN/UPA-22 has a 10-foot
waves in the 1010 to 1110 mc frequency band. The
antenna while the AN/UPA-23 has a 5-foot antenna.
antennas are rotated in continuous synchronism with a
The AN/UPA-23A has a greater speed of rotation and
separate radar antenna. The equipments include an
increased strength.
electronic control amplifier that reduces the error
AN/UPA-22: 1
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