NASA NTRS · 19700000407
Improved manual radio frequency direction finder
Abstract
Antenna loop direction finder, consisting of two separate loops mounted rigidly together at right angles to each other, requires single rotation for operation. The loops, one for bearing, the other for sensing, are rotated manually. Sensing loop, in conjunction with nondirectional antenna, produces signal with directional pattern.
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Greenwood, T. L.. 1970-09-01. Improved manual radio frequency direction finder. https://ntrs.nasa.gov/citations/19700000407
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