PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/30-14:43:10
G02     79.9           15.6                7.6 +/-    1.56      18.7 +/-    1.56  0.040 / 0.050
G05     44.7           38.9                7.0 +/-    1.24      10.4 +/-    1.24  0.040 / 0.070
G13     107.2          30.7               11.3 +/-    0.91      19.4 +/-    0.91  0.050 / 0.130
G15     147.8          33.3               11.0 +/-    1.23      18.0 +/-    1.23  0.050 / 0.120
G18     227.9          23.8                9.3 +/-    2.08      18.7 +/-    2.08  0.030 / 0.030
G20     258.2          83.4                8.6 +/-    0.47       8.7 +/-    0.47  0.040 / 0.030
G21     294.2          36.1                8.9 +/-    1.17      13.8 +/-    1.17  0.130 / 0.110
G25     212.2          30.7                9.3 +/-    2.34      16.1 +/-    2.34  0.110 / 0.120
G29     19.6           83.4                8.2 +/-    0.28       8.2 +/-    0.28  0.180 / 0.200