Communications: radio wave antennas – Antennas – Balanced doublet - centerfed
Patent
1980-07-02
1982-10-26
Tubbesing, T. H.
Communications: radio wave antennas
Antennas
Balanced doublet - centerfed
343 172R, G01S 1395
Patent
active
043564879
ABSTRACT:
The present sounding apparatus is used for the detection and measurement of phenomena relating to the area surrounding the earth's globe. It can in particular be used in the study of the ionosphere and specifically for the study of limited amplitude, short duration modifications in the gradient of the electron density of the ionosphere. It can also be used for studying other phenomena, such as the study or monitoring of the sea swell.
REFERENCES:
patent: 3720949 (1973-03-01), Richter
patent: 3725914 (1973-04-01), Davidson et al.
patent: 3881154 (1975-04-01), Lewis et al.
patent: 3945011 (1976-03-01), Glasgow
patent: 4053886 (1977-10-01), Wright et al.
patent: 4101891 (1978-07-01), Jain et al.
patent: 4135189 (1979-01-01), Josse
Commissariat a l''Energie Atomique
Tubbesing T. H.
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