Table 7. Percentage of true locations captured within error ellipse or circle.
| LC | % within Argos Error Ellipse | % within Circle with Radius of Argos “Error Radius” | % within Circle of Radius Argos Semimajor Axis | |||
| Least Squares | Kalman Filter | Least Squares | Kalman Filter | Least Squares | Kalman Filter | |
| 3 | 25% (94) | 15% (131) | 17% (94) | 14% (131) | 46% (94) | 38% (131) |
| 2 | 24% (91) | 19% (68) | 29% (91) | 15% (168) | 69% (91) | 52% (68) |
| 1 | 22% (78) | 24% (78) | 28% (78) | 21% (178) | 77% (68) | 74% (78) |
| 0 | 52% (44) | 61% (41) | 36% (44) | 34% (41) | 86% (44) | 93% (41) |
| A | N/A | 29% (178) | N/A | 35% (178) | N/A | 74% (178) |
| B | N/A | 54% (332) | N/A | 55% (332) | N/A | 86% (332) |
| Z | N/A | 33% (6) | N/A | 33% (6) | N/A | 50% (6) |
Percentages indicate the number of instances when the true position lay within the error ellipse or circle for that location code (LC). Numbers in parentheses are the total number of positions for the location code.