Statements and FAQ:
Statement by the President
Fact Sheet (see also IGEB, ITA)
Talking Points
FAQ (see also IGEB Supplemental FAQ)
Global Termination of SA:
Accuracy Comparisons, With and Without SA:
| 24 Hour Data Sets, | | Erlanger, KY, | May 01 & 03, 2000 |
| 6½ Hour Data Sets, | | Hartsville,TN, | May 01 & 02, 2000 |
| 12 Hour Data Sets, | | Boulder, CO, | April 20 & 21, 1997 |
Accuracy Comparisons, Without SA:
| Ionospheric effects, | horizontal, | L1 & L2, | May 03 - 31 |
| Ionospheric effects, | vertical, | L1 & L2, | May 03 - 31 |
| Tropo, Orbit, Clock effects, | horizontal, | L1, | May 03 - 31 |
| Tropo, Orbit, Clock effects, | vertical, | L1, | May 03 - 31 |
| Tropo, Orbit, Clock effects, | horizontal, | L2, | May 03 - 31 |
| Tropo, Orbit, Clock effects, | vertical, | L2, | May 03 - 31 |
| BLM Tests | horizontal, | L1 | |
Error Sources:
SA Links:
|
REMOVAL OF GPS SELECTIVE AVAILABILITY (SA)