Claims
- 1. A terrestrially-based transmission system, comprising:
at least one terrestrial transmitter transmitting information on at least one frequency simultaneously usable by at least one geosynchronous satellite transmitting to a satellite receive antenna having a sensitivity characterizable by a primary sensitive axis directed substantially at the satellite; and wherein the terrestrial transmitter has an azimuthal gain characteristic directed substantially away from the Equator.
- 2. The system of claim 1, wherein the transmitter is characterizable by an azimuthal gain characteristic substantially limited to an angle φ defined by AZTW and AZTE, the angle φ determined according to a latitude of the satellite receive antenna and a minimum elevation angle of the primary sensitive axis εmin.
- 3. The system of claim 1, wherein the terrestrial transmitter has an azimuthal gain characteristic substantially limited to between AZTW and AZTE, wherein AZTW is about 295° Northwest and AZTE is about 65° Northeast.
- 4. The system of claim 1, wherein the terrestrial transmitter has an azimuthal gain characteristic substantially limited to between AZTW and AZTE, wherein AZTW is about 245° Southwest and AZTE is about 115° Southeast.
- 5. The system of claim 1, wherein the satellite receive antenna is further characterizable by at least one posterior secondary sensitive axis.
- 6. A method of transmitting information on at least one frequency simultaneously usable by at least one geosynchronous satellite transmitting to a satellite receive antenna having a sensitivity characterizable by a primary sensitive axis directed substantially at the satellite and a posterior secondary sensitive axis, comprising the step of:
transmitting the information from a terrestrially-based transmitter to a terrestrial receive antenna in a direction substantially away from the Equator.
- 7. The method of claim 6, wherein the transmitter is characterizable by an azimuthal gain characteristic substantially limited to an angle φ defined by AZTW and AZTE, the angle φ determined according to a lattitude of the satellite receive antenna and a minimum elevation angle of the primary sensitive axis εmin.
- 8. The method of claim 6, wherein the information is transmitted in a direction between AZTW and AZTE wherein AZTW is about 295° Northwest and AZTE is about 65° Northeast.
- 9. The method of claim 8, wherein the information is transmitted in a direction between AZTW and AZTE wherein AZTW is about 245° Southwest and AZTE is about 115° Southeast.
- 10. A method of receiving information transmitted on at least one frequency simultaneously usable by at least one geosynchronous satellite transmitting to a satellite receive antenna having a sensitivity characterizable by a primary sensitive axis directed substantially at the satellite and a posterior secondary sensitive axis, comprising the step of:
receiving the information with a terrestrial receive antenna from a terrestrially-based transmitter transmitting the information in a direction substantially away from the Equator.
- 11. The system of claim 1, wherein the transmitter is characterizable by an azimuthal gain characteristic substantially limited to an angle φ defined by AZTW and AZTE, the angle φ determined according to a latitude of the satellite receive antenna and a minimum elevation angle of the primary sensitive axis εmin.
- 12. The method of claim 10 wherein the information is transmitted in a direction between AZTW and AZTE wherein AZTW is about 295° Northwest and AZTE is about 65° Northeast.
- 13. The method of claim 10, wherein the information is transmitted in a direction between AZTW and AZTE wherein AZTW is about 245° Southwest and AZTE is about 115° Southeast.
CROSS REFERENCE TO RELATED APPLICATIONS
[0001] This application is a continuation application of Ser. No. 09/480,089, filed Jan. 1, 2000 by Paul R. Anderson for “METHOD AND APPARATUS FOR MITIGATING INTERFERENCE FROM TERRESTRIAL BROADCASTS SHARING THE SAME CHANNEL WITH SATELLITE BROADCASTS USING AN ANTENNA WITH POSTERIOR SIDELOBES,” which application also claims benefit of U.S. Provisional Application No. 60/169,005, filed Dec. 3, 1999 by Paul R. Anderson, and entitled “METHOD AND APPARATUS FOR MITIGATING INTERFERENCE FROM TERRESTRIAL BROADCASTS SHARING THE SAME CHANNEL WITH SATELLITE BROADCASTS USING AN ANTENNA WITH POSTERIOR SIDELOBES,” which application is hereby incorporated by reference herein.
Provisional Applications (1)
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Number |
Date |
Country |
|
60169005 |
Dec 1999 |
US |
Continuations (1)
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Number |
Date |
Country |
Parent |
09480089 |
Jan 2000 |
US |
Child |
10872810 |
Jun 2004 |
US |