PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/05-17:43:10
G02     232.0          70.3                9.1 +/-    0.49       9.6 +/-    0.49  0.230 / 0.350
G05     173.4          12.9               10.7 +/-    4.74      28.1 +/-    4.74  0.220 / 0.290
G06     42.1           59.8                8.3 +/-    0.53       9.5 +/-    0.53  0.070 / 0.120
G12     322.6          52.6                8.0 +/-    0.57       9.8 +/-    0.57  0.060 / 0.130
G17     68.4           23.7                9.7 +/-    0.82      19.6 +/-    0.82  0.030 / 0.050
G19     50.5           43.6                9.1 +/-    1.73      12.5 +/-    1.73  0.040 / 0.050
G24     247.3          36.7               11.3 +/-    1.90      17.3 +/-    1.90  0.030 / 0.030