Number | Date | Country | Kind |
---|---|---|---|
94 07591 | Jun 1994 | FRX |
Number | Name | Date | Kind |
---|---|---|---|
4386355 | Drew et al. | May 1983 | |
4819053 | Halavais | Apr 1989 | |
5161248 | Bertiger et al. | Nov 1992 | |
5548801 | Araki et al. | Aug 1996 |
Number | Date | Country |
---|---|---|
0250105A1 | Dec 1987 | EPX |
Entry |
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Proceedings of the IEEE, vol. 60, No. 5, May 1972, New York US, pp. 564-571, Ehrlich, "The Role of Time-Frequency in Satellite Position Determination Systems". |