PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/04-22:58:00
G02     359.9          75.0               11.3 +/-    0.38      11.7 +/-    0.38  0.020 / 0.030
G05     160.9          39.2               15.5 +/-    0.83      22.8 +/-    0.83  0.020 / 0.030
G06     43.4           34.6               11.5 +/-    1.32      18.5 +/-    1.32  0.160 / 0.290
G12     297.3          77.2               12.6 +/-    0.85      12.9 +/-    0.85  0.180 / 0.310
G17     89.4           10.3               14.0 +/-    1.96      38.7 +/-    1.96  0.050 / 0.050
G19     78.7           25.9               12.5 +/-    1.87      24.0 +/-    1.87  0.050 / 0.070
G24     224.1          19.0               17.0 +/-    3.68      38.3 +/-    3.68  0.070 / 0.110
G25     316.2          33.0               10.8 +/-    1.33      17.8 +/-    1.33  0.090 / 0.130
G29     289.5          10.8               -4.1 +/-   23.09     -11.1 +/-   23.09  0.070 / 0.060