Borehole located directional antennae means for electromagnetic

Details Borehole located directional antennae means for electromagnetic Borehole located directional antennae means for electromagnetic

1985-09-23

1987-09-29

LaRoche, Eugene R.

Communications: radio wave antennas

Antennas

Buried underground or submerged under water

343789, 324338, H01Q 104, H01Q 920

Patent

active

046971904

ABSTRACT:
A directional antenna for an electromagnetic sensing system comprises a generally cylindrical tube of electrically-conductive material a portion of the tube being cut away to define a transversally-facing window. The non-cut away portion of the tube provides a backing shield for a pair of antenna elements mounted on a generally `V`-shaped support. A cover of dielectric material is arranged over the antenna elements.

REFERENCES:
patent: 4511843 (1985-04-01), Thoraval
patent: 4577153 (1986-03-01), Stolarczyk
Lytle et al., "Design of a Miniature . . . Boreholes", IEEE Trans. on Geoscience Electronics, vol. GE-16, No. 4, Oct. 1978, pp. 304-307.

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