PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/12/10-19:28:00
G08     268.3          18.4                8.7 +/-    1.61      19.9 +/-    1.61  0.110 / 0.210
G10     58.3           59.3                8.5 +/-    0.73       9.7 +/-    0.73  0.330 / 0.260
G11     312.5          16.2                8.0 +/-    1.40      19.4 +/-    1.40  0.130 / 0.100
G14     265.3          65.8               10.5 +/-    1.05      11.4 +/-    1.05  0.060 / 0.070
G18     91.8           35.5                8.0 +/-    0.68      12.6 +/-    0.68  0.170 / 0.250
G21     152.8          11.4               10.1 +/-    2.97      27.3 +/-    2.97  0.150 / 0.250
G24     40.6           11.9                7.3 +/-    2.71      19.5 +/-    2.71  0.030 / 0.040
G27     231.4          16.1                8.8 +/-    3.08      21.2 +/-    3.08  0.030 / 0.050
G31     180.0          27.7               10.9 +/-    1.74      20.0 +/-    1.74  0.240 / 0.340
G32     330.7          74.6                9.6 +/-    0.31       9.9 +/-    0.31  0.200 / 0.450