PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/04-21:42:30
G02     29.3           58.5                9.5 +/-    0.56      10.9 +/-    0.56  0.050 / 0.050
G05     142.8          59.9               12.3 +/-    0.79      14.0 +/-    0.79  0.050 / 0.040
G06     52.7           16.6                7.0 +/-    0.95      16.7 +/-    0.95  0.040 / 0.040
G12     196.5          69.2                8.5 +/-    0.79       9.0 +/-    0.79  0.040 / 0.040
G19     96.9           13.6               10.6 +/-    1.60      27.2 +/-    1.60  0.040 / 0.060
G25     300.8          51.7                8.7 +/-    1.13      10.7 +/-    1.13  0.050 / 0.070
G29     304.8          24.8               10.9 +/-    1.17      21.4 +/-    1.17  0.040 / 0.050