PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/08-08:12:50
G01     83.3           32.9                7.8 +/-    0.99      12.8 +/-    0.99  0.030 / 0.060
G07     130.4          39.3                9.3 +/-    0.55      13.7 +/-    0.55  0.040 / 0.060
G11     62.5           36.2                6.9 +/-    1.09      10.7 +/-    1.09  0.040 / 0.040
G13     289.5          36.4                7.5 +/-    0.83      11.6 +/-    0.83  0.030 / 0.040
G15     311.3          12.4                5.8 +/-    2.79      15.3 +/-    2.79  0.120 / 0.230
G17     219.5          61.2               10.8 +/-    0.98      12.1 +/-    0.98  0.080 / 0.180
G19     217.4          33.9               10.9 +/-    3.09      17.6 +/-    3.09  0.050 / 0.060
G28     1.6            61.0                7.0 +/-    0.54       7.9 +/-    0.54  0.050 / 0.070
G30     118.8          71.3                8.9 +/-    0.88       9.3 +/-    0.88  0.050 / 0.120