blue sector

blue sector

blue sectorclick for a larger image
That half of the ILS (instrument landing system) localizer beam modulated at 150 Hz (i.e., right of centerline).
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References in periodicals archive ?
Because if they bow the knee to Jose Mourinho's strutting players and Liverpool gain three points at Birmingham, the heat will be felt on each and every neck in the blue sector of the city.
Stinger devices and a dedicated ACT team with blue sector back-up took part in the operation which has brought the number of arrests in the past 12 months to 423.
There's one entertainment sector that's surreptitiously shared by both Red and Blue sectors, however: Market expansion of porn in the old Bible Belt, in fact, exceeds that of the coasts, and one of its major purveyors, Adam & Eve, is even nestled in North Carolina.