Table 5 Comparison results of the rapid GIMs w.r.t. GPS dSTECs from September 2017 to December 2018
From: Status of CAS global ionospheric maps after the maximum of solar cycle 24
GIMs | Bias in TECu | STD in TECu | RMS in TECu | Rel. error/% | Days |
|---|---|---|---|---|---|
CARG | − 0.02 | 1.88 | 1.94 | 15.7 | 480 |
CORG | 0.12 | 1.70 | 1.80 | 15.1 | 490 |
EHRG | 0.12 | 1.79 | 1.88 | 14.9 | 489 |
ESRG | 0.15 | 1.96 | 2.05 | 16.9 | 489 |
JPRG | 0.55 | 1.77 | 1.90 | 10.4 | 490 |
WHRG | 0.12 | 2.89 | 2.94 | 18.7 | 447 |
UPRG | 0.10 | 1.71 | 1.76 | 12.6 | 406 |
UHRG | 0.09 | 1.57 | 1.61 | 11.5 | 407 |
UQRG | 0.09 | 1.55 | 1.60 | 10.8 | 407 |
IGRG | 0.27 | 1.71 | 1.78 | 12.6 | 489 |