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"There is practically no chance communications space satellites will be used to provide better telephone, telegraph, television, or radio service inside the United States."
T. Craven, FCC Commissioner ; 1961
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| Number | Title | Issue Date |
| 7132982 | Method and apparatus for accurate aircraft and vehicle tracking A direct multilateration target tracking system is provided with the TOA time stamp as an input. A technique of tracking targets with varying receiver combinations is provided. Methods of correlating and combining Mode A, Mode C, and Mode S messages to enhance targe... | 11/07/2006 |
| 7126534 | Minimum safe altitude warning A ground-based CFIT warning system provides pilots with CFIT alerts. The system is based upon a ground-based tracking system, which provides surveillance of aircraft, such as the AirScene™ multilateration system manufactured by Rannoch Corporation of Alexandria, V... | 10/24/2006 |
| 7123192 | Correlation of flight track data with other data sources The surveillance system provides a means to augment Automatic Dependent Surveillance-Broadcast (ADS-B) with “look alike ADS-B” or “pseudo ADS-B” surveillance transmissions for aircraft which may not be ADS-B equipped. The system uses ground based surveillanc... | 10/17/2006 |
| 6992626 | Method and apparatus to correlate aircraft flight tracks and events with relevant airport operations information AirScene™, through a unique fusion process, is the only NOMS system to provide such data, digitally, and in a form that is integrated with flight tracks, noise events, complaint, and operations data. Other systems provide only the flight track, noise event, and co... | 01/31/2006 |
| 6885340 | Correlation of flight track data with other data sources The surveillance system provides a means to augment Automatic Dependent Surveillance-Broadcast (ADS-B) with “look alike ADS-B” or “pseudo ADS-B” surveillance transmissions for aircraft which may not be ADS-B equipped. The system uses ground based surveillanc... | 04/26/2005 |
| 6812890 | Voice recognition landing fee billing system An apparatus and method are described for generating landing fee and other airport service bills automatically. The system automatically detects aircraft N-number from air traffic control voice data using a voice recognition system and determines aircraft landing an... | 11/02/2004 |
| 6806829 | Method and apparatus for improving the utility of a automatic dependent surveillance The surveillance system provides a means to augment Automatic Dependent Surveillance—Broadcast (ADS-B) with “look alike ADS-B” or “pseudo ADS-B” surveillance transmissions for aircraft which may not be ADS-B equipped. The system uses ground based surveilla... | 10/19/2004 |
| 6567043 | Method and apparatus for improving utility of automatic dependent surveillance The surveillance system provides a means to augment Automatic Dependent Surveillance--Broadcast (ADS-B) with "look alike ADS-B" or "pseudo ADS-B" surveillance transmissions for aircraft which may not be ADS-B equipped. The system uses ground based surveil... | 05/20/2003 |
| 6448929 | Method and apparatus for correlating flight identification data with secondary surveillance radar data A system for correlating secondary surveillance radar (SSR) data and ACARS data which results in a real time correlation of data which are unique to the separate existing systems. More specifically, a method is provided to attach flight identification dat... | 09/10/2002 |
| 6384783 | Method and apparatus for correlating flight identification data with secondary surveillance A system for correlating secondary surveillance radar (SSR) data and ACARS data which results in a real time correlation of data which are unique to the separate existing systems. More specifically, a method is provided to attach flight identification dat... | 05/07/2002 |
| 6211811 | Method and apparatus for improving the surveillance coverage and target identification in a radar based surveillance system The surveillance system provides a means to measure Time Difference of Arrival (TDOA) and decode identification of signal source transmissions. TDOA and identification information received from a minimum of two receiving means is used to supplement non-co... | 04/03/2001 |
| 6094169 | Multilateration auto-calibration and position error correction The accuracy of multilateration systems can be greatly improved by using a correction method based on the SLS (Sideband Lobe Suppression) signal produced by a Secondary Surveillance Radar (SSR). Multilateration is a cooperative surveillance technique for ... | 07/25/2000 |
| 6049304 | Method and apparatus for improving the accuracy of relative position estimates in a satellite-based navigation system The accuracy of relative position estimates between two vehicles, generated using a satellite-based navigation system, is improved by eliminating at an early stage in the calculation process, errors affecting simultaneously both receivers. The standard ab... | 04/11/2000 |
| 5999116 | Method and apparatus for improving the surveillance coverage and target identification in a radar based surveillance system The surveillance system provides a means to measure Time Difference of Arrival (TDOA) and decode identification of signal source transmissions. TDOA and identification information received from a minimum of two receiving means is used to supplement non-co... | 12/07/1999 |
