PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/12/24-00:13:00
G03     198.7          39.1                7.7 +/-    1.05      11.3 +/-    1.05  0.070 / 0.160
G07     272.9          26.9                5.9 +/-    1.33      11.1 +/-    1.33  0.110 / 0.140
G08     153.4          13.1                9.8 +/-    2.30      25.6 +/-    2.30  0.030 / 0.030
G09     318.0          43.9                4.8 +/-    0.81       6.6 +/-    0.81  0.030 / 0.040
G16     58.2           59.2                7.7 +/-    0.57       8.8 +/-    0.57  0.110 / 0.190
G22     183.0          23.5                6.8 +/-    2.19      13.8 +/-    2.19  0.120 / 0.210
G23     355.3          76.3                5.7 +/-    1.28       5.9 +/-    1.28  0.040 / 0.050
G26     44.4           29.1                5.0 +/-    1.73       8.9 +/-    1.73  0.050 / 0.050
G27     117.8          23.7                9.9 +/-    0.80      20.0 +/-    0.80  0.090 / 0.100