PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/06-19:28:10
G02     220.9          63.7               10.2 +/-    0.45      11.2 +/-    0.45  0.050 / 0.070
G06     48.1           68.3                9.5 +/-    0.48      10.2 +/-    0.48  0.070 / 0.070
G12     320.8          43.3                8.0 +/-    1.47      11.0 +/-    1.47  0.110 / 0.440
G17     61.1           29.9                8.7 +/-    1.10      15.4 +/-    1.10  0.140 / 0.370
G19     42.1           48.1                9.4 +/-    0.48      12.2 +/-    0.48  0.060 / 0.120
G24     257.6          40.3               11.7 +/-    1.17      16.9 +/-    1.17  0.080 / 0.110
G28     125.7          10.0               10.8 +/-    2.20      30.1 +/-    2.20  0.030 / 0.060