The Royal Canadian Air Force Station Yorkton ( ADC ID : C-51 ) was a Long Range Radar ( LRR ) and Ground Air Transmitter Receiver ( GATR ) facility of the Pinetree Line.
32.
From 1990 to 1995, the goal of the SPEAKeasy program was to demonstrate a radio for the U . S . Air Force tactical ground air control party that could operate from 2 QAM ).
33.
Prior to the Air Defense squadron inactivating on 1 November 1979, the station was reassigned to Tactical Air Command which maintained the Ground Air Transmitter Receiver until early 1984 ( now a firefighter training site ).
34.
Jiao and his co-author, Hailong Li of the China University of Geosciences at Wuhai, found that regular changes in below-ground air pressure which were most affected by the rising and lowering of the water table with the tides.
35.
The Ground Air Transmitting Receiving ( GATR ) Site ( R-92 ) for communications was located at, Normally the GATR site was connected by a pair of buried telephone cables, with a backup connection of dual telephone cables overhead.
36.
At times the brief illumination of the runway lights could provide sufficient bearing for the attacking aircraft . Once on the ground Air and ground crew frequently had to evacuate the aircraft after landing and take cover from attacking aircraft in trenches alongside the runway.
37.
"' Ground Air Transmit Receive "'( GATR ) " control sites " were the radio stations of a Cold War communications network in the Burroughs 416L SAGE Defense System SLI AN / ARR-61 " Airborne Radio Receivers " of the Hughes MA-1 Fire Control System.
38.
In addition to the main site, a Ground Air Transmit Receive ( GATR ) site was located 3.5 miles north of the main site, at a heading of 335 degrees, in order to gain some distance from the high-powered RF energy from the search radar systems.
39.
Baherove Air Base was 71st ground Air Force that was established in the Crimean village of Baherove in accordance with the Resolution of the " Council of Ministers of USSR " on August 21, 1947 with the aim of aviation security for air long-range bomber Tu-4.
40.
What a low pressure area indicates is a trend of " rising " air ( see Vertical draft for a short explanation or Low-pressure area for a fuller explanation ), which means there is a general flow of ground air up to the higher areas of the atmosphere.
