PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/13-16:27:30
G02     9.4            69.5               16.2 +/-    9.57      17.1 +/-    9.57  0.040 / 0.050
G05     158.8          47.6                8.4 +/-    1.17      10.9 +/-    1.17  0.040 / 0.060
G06     47.3           25.5               10.4 +/-    7.78      20.1 +/-    7.78  0.030 / 0.030
G12     222.2          79.4               17.7 +/-    9.91      18.0 +/-    9.91  0.020 / 0.020
G19     86.7           21.9                6.3 +/-    1.68      13.3 +/-    1.68  0.070 / 0.060
G24     215.1          11.2                8.3 +/-    2.43      22.6 +/-    2.43  0.060 / 0.070
G25     310.2          44.9                5.3 +/-    1.03       7.2 +/-    1.03  0.190 / 0.100
G29     297.2          17.7                6.4 +/-    1.30      14.9 +/-    1.30  0.100 / 0.100