About: Ground-to-Air Transmitter Facility

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Ground-to-Air Transmitter Facilities (GAT Facility) were surface-to-air missile radio uplink stations of the United States Air Force. They were located near CIM-10 Bomarc bases (e.g., Suffolk County Missile Annex on Long Island) for command guidance of the Interceptor Missiles. The unmanned sites with a transmitter building and 2 antenna towers converted the digital "midcourse guidance commands" (after the launch/climb and before the homing dive) received from an AN/FSQ-7 Combat Direction Central into the transmitter building's , processing 28 channels of uplink data.

Attributes	Values
rdf:type	Thing yago:WikicatColdWarFacilitiesOfTheUnitedStatesAirForce yago:Artifact100021939 yago:BroadcastingStation102903405 yago:Facility103315023 yago:Object100002684 yago:PhysicalEntity100001930 yago:RadioStation104044119 yago:YagoGeoEntity yago:YagoPermanentlyLocatedEntity station yago:Station104306080 yago:Whole100003553 yago:WikicatDefunctRadioStations
rdfs:label	Ground-to-Air Transmitter Facility (en)
rdfs:comment	Ground-to-Air Transmitter Facilities (GAT Facility) were surface-to-air missile radio uplink stations of the United States Air Force. They were located near CIM-10 Bomarc bases (e.g., Suffolk County Missile Annex on Long Island) for command guidance of the Interceptor Missiles. The unmanned sites with a transmitter building and 2 antenna towers converted the digital "midcourse guidance commands" (after the launch/climb and before the homing dive) received from an AN/FSQ-7 Combat Direction Central into the transmitter building's , processing 28 channels of uplink data. (en)
differentFrom	Ground Air Transmit Receive dbr:Receive_stations_for_SAGE_TDDL_with_NORAD_manned_interceptors
dcterms:subject	Defunct radio stations in the United States Equipment of the United States Air Force Aerial warfare ground equipment Anti-aircraft warfare
Wikipage page ID	40243029 (xsd:integer)
Wikipage revision ID	1123378075 (xsd:integer)
Link from a Wikipage to another Wikipage	Amplitude modulation United States Air Force Defunct radio stations in the United States Electronic counter-countermeasures Frequency-division multiple access Long Island Command guidance Time-division multiple access CIM-10 Bomarc AN/FSQ-7 Combat Direction Central Equipment of the United States Air Force Aerial warfare ground equipment Anti-aircraft warfare Suffolk County Missile Annex dbr:AN/GKA-4A dbr:AN/GRT-3 dbr:Digital_Data_Relay
Link from a Wikipage to an external page	http://www.radomes.org/museum/recent/LangleyAFBBOMARCVA.html
sameAs	Ground-to-Air Transmitter Facility Ground-to-Air Transmitter Facility Ground-to-Air Transmitter Facility Ground-to-Air Transmitter Facility
dbp:wikiPageUsesTemplate	dbt:! dbt:Cite_report dbt:Distinguish dbt:Reflist dbt:Rp dbt:Short_description
has abstract	Ground-to-Air Transmitter Facilities (GAT Facility) were surface-to-air missile radio uplink stations of the United States Air Force. They were located near CIM-10 Bomarc bases (e.g., Suffolk County Missile Annex on Long Island) for command guidance of the Interceptor Missiles. The unmanned sites with a transmitter building and 2 antenna towers converted the digital "midcourse guidance commands" (after the launch/climb and before the homing dive) received from an AN/FSQ-7 Combat Direction Central into the transmitter building's , processing 28 channels of uplink data. Processing by the 's demultiplexer group prepared the SAGE data for amplitude modulation on separate frequencies for each missile (FDDL: frequency-division data link), e.g., 3 missiles were simultaneously controlled in a 1960 test. An transmitter provided the modulated signals to a UHF Klystron high power amplifier--dual chains of components provided redundancy, including 2 exterior GAT Antennas on GAT Towers from which a missile's "command receiver" demodulated the signal. A single local monitoring cabinet allowed review of either chain's function (e.g., during test input to the dummy load), ventilation provided cooling of the building equipment, and "three 150 KVA diesel driven generators housed in the GAT building" provided power. For the advanced Bomarc (IM-99B), a Time-Division Data Link was planned for GAT Facilities to provide an electronic counter-countermeasures capability using a "directional hlgh-gain data link antenna…composed of 16 stationary segments in a circular pattern 60 feet high". (en)
gold:hypernym	Station
prov:wasDerivedFrom	wikipedia-en:Ground-to-Air_Transmitter_Facility?oldid=1123378075&ns=0
page length (characters) of wiki page	3545 (xsd:nonNegativeInteger)
foaf:isPrimaryTopicOf	wikipedia-en:Ground-to-Air_Transmitter_Facility
is differentFrom of	Ground Air Transmit Receive
is Link from a Wikipage to another Wikipage of	Glenburn, Maine Continental Air Defense Command ITT 465L Strategic Air Command Control System
is foaf:primaryTopic of	wikipedia-en:Ground-to-Air_Transmitter_Facility

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