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                7.6 +/-    1.84      17.3 +/-    1.84  0.100 / 0.190
G10     58.3           59.3                7.8 +/-    0.47       9.0 +/-    0.47  0.100 / 0.190
G11     312.5          16.2                9.3 +/-    1.86      22.6 +/-    1.86  0.180 / 0.430
G14     265.3          65.8                9.5 +/-    0.93      10.3 +/-    0.93  0.150 / 0.510
G18     91.8           35.5                8.0 +/-    0.80      12.6 +/-    0.80  0.170 / 0.260
G21     152.8          11.4                7.6 +/-    3.36      20.5 +/-    3.36  0.150 / 0.250
G24     40.6           11.9                7.5 +/-    1.47      20.2 +/-    1.47  0.050 / 0.130
G27     231.4          16.1                8.8 +/-    2.39      21.3 +/-    2.39  0.050 / 0.110
G31     180.0          27.7               10.2 +/-    1.59      18.7 +/-    1.59  0.020 / 0.030
G32     330.7          74.6                9.8 +/-    0.99      10.1 +/-    0.99  0.020 / 0.030