PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/13-14:42:30
G02     55.0           36.1                6.0 +/-    0.35       9.3 +/-    0.35  0.020 / 0.030
G05     73.3           67.6                8.1 +/-    0.35       8.7 +/-    0.35  0.020 / 0.030
G12     187.8          40.9                9.6 +/-    1.44      13.7 +/-    1.44  0.050 / 0.060
G13     134.6          10.6               -2.6 +/-   25.64      -7.3 +/-   25.64  0.070 / 0.070
G20     205.3          51.2               10.0 +/-    1.76      12.5 +/-    1.76  0.050 / 0.070
G21     267.1          16.4                7.5 +/-    6.72      18.0 +/-    6.72  0.050 / 0.070
G25     246.1          55.8                9.1 +/-    0.88      10.8 +/-    0.88  0.300 / 0.460
G29     328.4          53.7                5.1 +/-    1.00       6.2 +/-    1.00  0.230 / 0.480