Communications: radio wave antennas – Antennas – Balanced doublet - centerfed
Patent
1976-04-28
1977-08-09
Safourek, Benedict V.
Communications: radio wave antennas
Antennas
Balanced doublet - centerfed
325 4, 325370, 325 55, 343725, 343742, H04B 720
Patent
active
040413977
ABSTRACT:
A satellite up link diversity switch system. A beacon or reference signal received from the satellite at two locations separated in an east-west direction. Diversity logic compares the two signals received and switches the output of a UHF transmitter to whichever antenna is receiving the stronger signal at the time.
REFERENCES:
patent: 2573912 (1951-10-01), Bucher
patent: 3095538 (1963-06-01), Silverstein
patent: 3155909 (1964-11-01), Shepherd
patent: 3403341 (1968-09-01), Munch
patent: 3476922 (1969-11-01), Yiotis
patent: 3537011 (1970-10-01), Escoula
patent: 3928804 (1975-12-01), Schmidt et al.
Bauer Peter W.
Paulson Merle R.
Chin Tommy P.
Phillips T. M.
Rubens G. J.
Safourek Benedict V.
Sciascia R. S.
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