PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/07-20:42:50
G02     355.5          75.7                9.8 +/-    0.59      10.1 +/-    0.59  0.050 / 0.070
G05     161.6          38.8               13.5 +/-    0.75      20.0 +/-    0.75  0.040 / 0.080
G06     43.5           34.1                7.7 +/-    0.83      12.5 +/-    0.83  0.020 / 0.030
G12     294.0          78.7               10.5 +/-    0.65      10.7 +/-    0.65  0.030 / 0.030
G19     78.3           26.5                9.7 +/-    1.21      18.4 +/-    1.21  0.030 / 0.040
G24     223.6          18.9               14.2 +/-    1.81      32.1 +/-    1.81  0.040 / 0.050
G25     316.1          33.6                9.9 +/-    1.18      16.1 +/-    1.18  0.150 / 0.290
G29     289.3          10.7               -2.4 +/-   26.38      -6.5 +/-   26.38  0.190 / 0.360