MIL-HDBK-162A
Volume 1
15 December 1965
Section 3
DATE: 1 July 1964
ITEM NAME: WAVE TRAP
COGNIZANT SERVICE: USN
TYPE: F-20/UPR
FEDERAL STOCK NUMBER: F5915-246- 1435
USA
USN
USAF
USMC
STATUS OR TYPE CLASSIFICATION
Obsoles
Mfg(s) Name or Code Number: Designers For Industry, Inc.
FUNCTIONAL DESCRIPTION
The F-20/UPR is designed to determine the carrier
frequency of radar signals from 300 to 3,400 mc and
distinguishes true signals from harmonic or spurious
responses in the receiver.
Provision for blackout
operation is provided as the red-paint filled calibrated
scales will fluoresce if ultraviolet illumination is
provided.
RELATION TO SIMILAR EQUIPMENT
None.
TECHNICAL DESCRIPTION
Frequency: 300 to 3,400 mc
INSTALLATION CONSIDERATIONS
Siting:
Mounting:
Cabling Requirements:
Related Equipment: The F-20/UPR is designed for
use with the AN/SPR- 1, AN/APR- 1, RDO and
similar receivers.
F-20/UPR: 1
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