15 December 1965
DATE: 1 July 1964
ITEM NAME: AZIMUTH-RANGE INDICATOR
COGNIZANT SERVICE: USN
FEDERAL STOCK NUMBER: 5840-633-7805
STATUS OR TYPE CLASSIFICATION
Mfg(s) Name or Code Number: Raytheon Co., Waltham, Massachusetts
Targets are presented on an electrostatic-focus,
magnetic-deflection, 10-inch cathode-ray tube (CRT).
Five range settings are available: 2, 4, 16 40, and 80
Azimuth-Range Indicator IP-281B/UP is a remote plan
miles. Four fixed range markers are provided on each
position indicator (PPI) designed to repeat information
range setting, each marker representing one-fourth the
obtained from any standard search radar. Its purpose is
distance of the range setting used. The equipment
to repeat, at a remote point, target information appearing
consists of one self-contained unit.
at the search radar.