MIL-HDBK-162A
Volume 1
15 December 1965
Section 1
DATE: 15 December 1964
ITEM NAME: ANTENNA
COGNIZANT SERVICE: USAF
TYPE: AT-309/GPX,*AT-309A/GPX,
**AT-309B/GPX, ***AT-309C/GPX
FEDERAL. STOCK NUMBER:
*5895-347-7390-EG
**5895-073-9349-EG
USA
USN
USAF
USMC
*LS, **AS,
STATUS OR TYPE CLASSIFICATION
***Std
Mfg(s) Name or Code Number: Litton Industries
tee assembly. The principal antenna beam covers 2
FUNCTIONAL DESCRIPTION
deg in horizontal plane and 40 deg in vertical plane.
Antenna AT-309, 309A/GPX are general purpose,
AT-309C/GPX is a movable or fixed, corner reflector
vertically polarized antennas. They are primarily used
type antenna, operating in the 1000 to 1120 mc
for IFF. Principal parts of the AT-309A/GPX are: a
frequency range. JThe AT-309C/GPX is either pedestal
horizontal linear array of 32 probe-excited cavity
resonators, a printed circuit feeder system, and a filter
AT-309/GPX: 1
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