MIL-HDBK-162A
Volume 1
15 December 1965
Section 3
DATE: 1 July 1964
ITEM NAME: REFLECTOSCOPE
COGNIZANT SERVICE: USN
TYPE: MX-969/SPA-4A
FEDERAL STOCK NUMBER: 5840-315-2855
5840-316-8748 W/S
USA
USN
USAF
USMC
STATUS OR TYPE CLASSIFICATION
Mfg(s) Name or Code Number: Radio Corp. of America, RCA Victor Div., Camden, N. J.
display and a navigation chart of the area under radar
FUNCTIONAL DESCRIPTION
search. This direct correlation of radar echo signals and
chart positively fixes the position of the ship and/or any
The MX-969/SPA-4A is designed for use with Range-
targets with respect to the chart.
Azimuth Indicators AN/SPA-4A, AN/SPA-8, and AN/SPA-
It employs a system of mirrors that coincidently reflect
9 to present an optically superimposed view of the PPI
MX-969/SPA-4A: 1
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