RMS errors for Vertical (ID), Horizontal (2D), and 3D Position Solutions from Static 24-hour Positioning Data. Data were averaged over all stations examined. Improvement of the RMS 3D error was observed compared to the solutions generated without ionosphere corrections.
| Study periods | RMS Vertical error | RMS Horizontal error | RMS 3D error | Improvement In 3D error | |
|---|---|---|---|---|---|
| March 2014 | NO IONO | 5.46 | 1.25 | 5.49 | |
| GIM CODE | 0.91 | 0.60 | 1.10 | 79.96% | |
| IONOBH | 0.56 | 0.50 | 0.75 | 86.34% | |
| IONOWB | 0.66 | 0.50 | 0.83 | 84.88% | |
| IONOWB_AI | 0.65 | 0.51 | 0.83 | 84.88% | |
| March 2015 | NO IONO | 3.30 | 0.96 | 3.43 | |
| GIM CODE | 0.38 | 0.38 | 0.54 | 84.26% | |
| IONOWB | 0.37 | 0.40 | 0.54 | 84.26% | |
| IONOWB_AI | 0.35 | 0.39 | 0.55 | 83.97% | |
| March 2018 | NO IONO | 1.34 | 0.51 | 1.45 | |
| GIM CODE | 0.25 | 0.24 | 0.38 | 73.79% | |
| IONOBH | 0.11 | 0.26 | 0.36 | 75.17% |