TM 11-5841-283-34-1/NAVAIR 16-30APR39-2
Section II EQUIPMENT DESCRIPTION AND DATA
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Equipment Description and Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8
Equipment Characteristics, Capabilities, and Features . . . . . . . . . . . . . . . . . . . . . . 1-9
Location and Description of Major Components. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-10
1-8. EQUIPMENT DESCRIPTION AND DATA.
For unclassified equipment data refer to TM 11-5841-283-12. For classified data, refer to
TM 11-5841-283-34-2.
1-9. EQUIPMENT CHARACTERISTICS, CAPABILITIES, AND FEATURES.
The Radar Signal Detecting Set, AN/APR-39(V)1, consists of ten individually packaged components:
Control unit
Radar signal indicator
Two radar receivers
Four spiral antennas
Blade antenna
The radar signal detecting set provides the following capabilities and features:
Can be operated in all weather and climate conditions
Lightweight and compact
Can be installed in rotary wing or fixed wing aircraft
Responds to radars associated with hostile fire control systems
Generally excludes nonthreat radars in the discriminator-on mode
Accepts low band missile guidance radar signals
When a low band signal is time-coincident (correlated) with a tracking radar signal, the
equipment identifies the combination as an activated SAM (surface to air missile) radar
complex
Offers both visual and aural warning displays
1-3
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