DUAL ANTENNA SYSTEMS WITH VARIABLE POLARIZATION
First Claim
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1. An antenna system, comprising:
- an antenna array including multiple conductive antenna elements comprising at least two antennas;
an array of orthogonal antenna conductive antenna elements disposed at at least two different heights above a ground plane;
a supporting element;
a standoff conductive element; and
a ground plane.
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Abstract
Antenna systems for receiving transmitted signals comprising at least a first tuned antenna disposed in a known relationship spatially with a second antenna, with the first tuned antenna electrically connected to the second antenna, are disclosed. The antenna system may be configured to allow the antennas to reliably discriminate between left-hand and right-hand polarized circular signals.
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Citations
12 Claims
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1. An antenna system, comprising:
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an antenna array including multiple conductive antenna elements comprising at least two antennas; an array of orthogonal antenna conductive antenna elements disposed at at least two different heights above a ground plane; a supporting element; a standoff conductive element; and a ground plane. - View Dependent Claims (2, 3, 4)
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5. An antenna system, comprising:
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a first set of or more antenna elements configured to receive a right hand circularly polarized signal; a second set of one more antenna element configured to receive a left hand circularly polarized signal; a first output coupled to the first set of elements to provide a first output signal responsive to the right hand circularly polarized signal; and a second output coupled to the second set of elements to provide a second output signal responsive to the left hand circularly polarized signal. - View Dependent Claims (6, 7)
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8. A locating system, comprising:
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an electronic locating receiver; a sonde-beacon; a GPS antenna; and a GPS receiver module. - View Dependent Claims (9, 10, 11, 12)
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Specification