PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/05-13:57:30
G02     202.6          23.9                7.0 +/-    0.84      14.1 +/-    0.84  0.040 / 0.030
G06     162.5          63.0                9.6 +/-    0.70      10.6 +/-    0.70  0.040 / 0.050
G12     305.0          14.7                4.1 +/-    2.20      10.2 +/-    2.20  0.050 / 0.110
G17     31.5           52.8                7.7 +/-    0.67       9.4 +/-    0.67  0.050 / 0.130
G19     330.2          69.4                6.1 +/-    0.52       6.5 +/-    0.52  0.140 / 0.240
G24     303.7          35.6                5.4 +/-    1.73       8.4 +/-    1.73  0.100 / 0.200
G28     94.7           36.1                7.2 +/-    0.96      11.1 +/-    0.96  0.030 / 0.030
G30     158.4          10.5               10.7 +/-    3.01      29.4 +/-    3.01  0.030 / 0.030