PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/05-17:27:40
G02     27.7           59.4                7.2 +/-    0.94       8.2 +/-    0.94  0.020 / 0.030
G05     143.9          60.4                8.3 +/-    0.58       9.4 +/-    0.58  0.030 / 0.040
G06     53.6           14.8                7.1 +/-    2.10      17.6 +/-    2.10  0.040 / 0.040
G12     189.1          65.8                7.6 +/-    0.52       8.3 +/-    0.52  0.020 / 0.030
G19     97.3           14.0                8.5 +/-    2.52      21.7 +/-    2.52  0.050 / 0.060
G25     298.2          53.5                7.3 +/-    2.10       8.8 +/-    2.10  0.050 / 0.040
G29     305.4          25.4                6.7 +/-    0.88      12.9 +/-    0.88  0.150 / 0.170