Table 1. Background TEC, RMSE and normalized RMSE values of GPS TEC and predicted values (NN TEC and IRI-2007 TEC) for different days (equinox and solstice days) in 2007 over Chumphon station.
From: TEC prediction with neural network for equatorial latitude station in Thailand
Date | Background TEC (TECU) | RMSE (TECU) between | Normalized RMSE between | ||
|---|---|---|---|---|---|
NN TEC | IRI-2007 TEC | NN TEC | IRI-2007 TEC | ||
March 20 | 14.281 | 2.797 | 4.164 | 0.195 | 0.291 |
June 21 | 10.904 | 1.965 | 2.743 | 0.180 | 0.251 |
September 23 | 14.006 | 2.430 | 3.412 | 0.173 | 0.243 |
December 25 | 10.805 | 1.468 | 2.142 | 0.135 | 0.198 |
4 studied-day | 12.499 | 2.165 | 3.115 | 0.173 | 0.249 |
All year 2007 | 14.078 | 2.296 | 3.881 | 0.163 | 0.275 |