FM-very high frequency metal detector
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United States of America Patent
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-
Apr 15, 1997
Grant Date -
N/A
app pub date -
May 25, 1995
filing date -
May 25, 1995
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A modified loop and nondirectional antenna system and receiver used in conjunction with a magnetic compass and 2 level vials for a point direction used to detect underground parasitic antennas or reflectors by supression and reception of receiver. The detector is directed at very deep propagated radio waves, several hundred feet deep or less.
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