Word: kc
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Dates: during 1950-1959
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Distance & Direction. In addition to the old four-beam, low-frequency (200-400 kc.) radio ranges, the airways are now dotted with very-high-frequency (108-118 mc.). Omniranges (TIME, Dec. 20 1948). They cover limited distances (200 miles at 20,000 ft.), but are far more versatile than the old-style ranges. Almost unhampered by static, they give the approaching plane a straight-in heading from any direction. Rather than flying on a narrow, crowded beam, a pilot can tune his Omnirange receiver to the desired station, then read his course on a dial...