Reference station for a distance-measuring system

Details Reference station for a distance-measuring system Reference station for a distance-measuring system

1979-12-26

1981-04-21

Blum, Theodore M.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

343100SA, G01S 144

Patent

active

042635969

ABSTRACT:
This relates to a reference station for distance-measuring systems wherein the distance between aircraft and the reference station can be measured. The station comprises an antenna and at least one receiver and/or transmitter. The antenna consists of a plurality of spatially distributed elements.

REFERENCES:
patent: 3066291 (1962-11-01), Alford
patent: 3500412 (1970-03-01), Trigon
patent: 3611401 (1968-09-01), Connolly
patent: 3787859 (1974-01-01), Howard
Annex 10 to the Convention on International Civil Aviation, vol. 1, 3rd edition, Jul. 1972, pp. 28-37.
Kayton et al., Avionics Navigation Systems, J. Wiley & Sons, 1969, p. 186.

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