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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Goodman, J.L. Propst, C.A. |
| Copyright Year | 2008 |
| Description | Author affiliation: United Space Alliance, LLC, Houston, TX (Goodman, J.L.; Propst, C.A.) |
| Abstract | The STS-118 flight of the Space Shuttle Endeavour was the first shuttle mission flown with three Global Positioning System (GPS) receivers in place of the three legacy Tactical Air Navigation (TACAN) units. This marked the conclusion of a 15 year effort involving procurement, missionization, integration, and flight testing of a GPS receiver and a parallel effort to formulate and implement shuttle computer software changes to support GPS. The use of GPS data from a single receiver in parallel with TACAN during entry was successfully demonstrated by the orbiters Discovery and Atlantis during four shuttle missions in 2006 and 2007. This provided the confidence needed before flying the first all GPS, no TACAN flight with Endeavour. A significant number of lessons were learned concerning the integration of a software intensive navigation unit into a legacy avionics system. These lessons have been taken into consideration during vehicle design by other flight programs, including the vehicle that will replace the Space Shuttle, Orion. |
| Starting Page | 731 |
| Ending Page | 743 |
| File Size | 605682 |
| Page Count | 13 |
| File Format | |
| ISBN | 9781424415366 |
| DOI | 10.1109/PLANS.2008.4570031 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2008-05-05 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Global Positioning System Navigation Space shuttles Aerospace electronics Space vehicles Delay Certification Humans Switches Procurement |
| Content Type | Text |
| Resource Type | Article |
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