PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/24-17:57:50
G02     69.7           26.2                8.3 +/-    1.71      15.8 +/-    1.71  0.120 / 0.180
G05     46.8           50.8                8.9 +/-    0.43      11.1 +/-    0.43  0.150 / 0.200
G12     180.0          16.0               11.1 +/-    1.44      27.0 +/-    1.44  0.110 / 0.120
G13     115.2          24.8               11.9 +/-    1.73      23.3 +/-    1.73  0.090 / 0.100
G15     160.0          21.9               11.4 +/-    3.43      23.9 +/-    3.43  0.180 / 0.320
G21     283.6          26.3                8.1 +/-    2.91      15.3 +/-    2.91  0.140 / 0.250
G25     217.0          39.0               10.5 +/-    1.20      15.6 +/-    1.20  0.030 / 0.040
G26     317.9          11.6                4.2 +/-   17.83      11.3 +/-   17.83  0.040 / 0.040
G29     338.2          68.6                8.8 +/-    0.63       9.3 +/-    0.63  0.030 / 0.040