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Table 1.
Mean errors (ME in MHz) and standard deviations (SD in MHz) comparing the models’ predictions and actual measurements at all test stations and several prediction steps.
| Chilton |
Juliusruh |
Rome |
Athens |
|||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SWIF (ME, SD) | GCAM (ME, SD) | SWIF (ME, SD) | GCAM (ME, SD) | SWIF (ME, SD) | GCAM (ME, SD) | SWIF (ME, SD) | GCAM (ME, SD) | |||||||||
| 1 h | 0.01 | 0.69 | 0.00 | 0.62 | 0.01 | 0.72 | −0.02 | 0.65 | 0.02 | 0.80 | 0.01 | 0.73 | 0.02 | 0.87 | 0.02 | 0.76 |
| 3 h | 0.02 | 1.06 | 0.01 | 0.73 | −0.01 | 1.12 | −0.02 | 0.77 | 0.00 | 1.23 | 0.02 | 0.81 | 0.01 | 1.21 | 0.02 | 0.82 |
| 6 h | 0.01 | 1.13 | 0.02 | 0.79 | −0.04 | 1.23 | −0.01 | 0.80 | 0.00 | 1.28 | 0.02 | 0.84 | 0.02 | 1.15 | 0.03 | 0.84 |
| 12 h | 0.04 | 1.01 | 0.02 | 0.83 | 0.02 | 1.06 | 0.00 | 0.82 | 0.05 | 1.07 | 0.02 | 0.86 | 0.05 | 1.04 | 0.03 | 0.86 |
| 24 h | 0.03 | 0.93 | 0.03 | 0.84 | 0.03 | 0.95 | 0.00 | 0.84 | 0.05 | 0.95 | 0.04 | 0.88 | 0.06 | 0.94 | 0.04 | 0.88 |
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