15 December 1965
DATE: 1 July 1964
ITEM NAME: WAVE TRAP
COGNIZANT SERVICE: USN
FEDERAL STOCK NUMBER: F5915-246- 1435
STATUS OR TYPE CLASSIFICATION
Mfg(s) Name or Code Number: Designers For Industry, Inc.
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
RELATION TO SIMILAR EQUIPMENT
Related Equipment: The F-20/UPR is designed for
use with the AN/SPR- 1, AN/APR- 1, RDO and