MIL-HDBK-162A
Volume 1
15 December 1965
Section 3
DATE: 1 September 1964
ITEM NAME: DECODER GROUP
COGNIZANT SERVICE: USN
TYPE: AN/UPA-49(XN-1)
FEDERAL STOCK NUMBER:
USA
USN
USAF
USMC
STATUS OR TYPE CLASSIFICATION
Used by
Mfg(s) Name or Code Number: Admiral Corporation (08128)
any one of the three selectable IFF modes. It performs
FUNCTIONAL DESCRIPTION
simultaneously a passive decode, a bracket decode,
and an active decode function and augments the over-
Decoder Group AN/UPA-49(XN-1) is comprised of three
all system capability for positive identification of radar-
complementary units, a Video Decoder, a Decoder-
detected aircraft or ships, and for the subsequent
Indicator, and a Power Supply, a Decoder Group
tracking
processes the multiple pulse coded replies of the IFF
MK
X
(SIC)system,
in
AN/UPA-49(XN-1): 1
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