PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/05-23:42:30
G02     31.2           57.1               10.0 +/-    0.36      11.7 +/-    0.36  0.020 / 0.040
G05     140.5          60.7               13.2 +/-    1.12      14.9 +/-    1.12  0.030 / 0.030
G06     53.0           16.5                8.0 +/-    0.81      19.2 +/-    0.81  0.030 / 0.040
G12     198.9          69.4               11.4 +/-    0.92      12.1 +/-    0.92  0.030 / 0.050
G19     97.7           12.7               12.9 +/-    1.67      33.9 +/-    1.67  0.040 / 0.050
G25     300.4          51.6               10.4 +/-    1.19      12.9 +/-    1.19  0.030 / 0.050
G29     305.3          25.4               11.3 +/-    3.64      21.8 +/-    3.64  0.120 / 0.330