Airline passengers face another summer of delays unless carriers shift flights from peak travel times, the Transportation Department's inspector general said Thursday.
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WASHINGTON ( AP ) _ Airline passengers face another summer of delays unless carriers shift flights from peak travel times, the Transportation Department's inspector general said.
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Common carrier shifts are 85 Hz ( used on LF and VLF frequencies ), 170 Hz, 425 Hz, 450 Hz and 850 Hz, although some stations use non-standard shifts.
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