PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/09-15:12:40
G02     59.8           32.1                5.4 +/-    1.79       9.0 +/-    1.79  0.030 / 0.020
G05     61.0           63.5                6.8 +/-    0.68       7.5 +/-    0.68  0.030 / 0.020
G12     186.3          34.3               10.1 +/-    1.57      16.2 +/-    1.57  0.140 / 0.320
G13     130.1          14.6               11.4 +/-    2.56      28.7 +/-    2.56  0.090 / 0.250
G15     163.4          11.9                9.0 +/-    3.17      24.0 +/-    3.17  0.040 / 0.050
G20     208.1          58.0                8.7 +/-    0.74      10.1 +/-    0.74  0.040 / 0.040
G21     271.8          19.9                5.7 +/-    3.25      12.6 +/-    3.25  0.050 / 0.090
G25     235.9          52.1                8.6 +/-    2.99      10.6 +/-    2.99  0.060 / 0.070
G29     333.4          59.6                5.4 +/-    0.37       6.2 +/-    0.37  0.240 / 0.360