PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/31-03:12:50
G01     290.6          40.3                5.3 +/-    0.74       7.6 +/-    0.74  0.050 / 0.090
G03     311.7          15.3                4.4 +/-    1.90      10.9 +/-    1.90  0.060 / 0.080
G10     119.9          28.2                5.5 +/-    0.75      10.0 +/-    0.75  0.060 / 0.070
G11     263.3          25.9                7.1 +/-    1.73      13.6 +/-    1.73  0.070 / 0.070
G14     23.5           59.1                4.9 +/-    0.36       5.7 +/-    0.36  0.040 / 0.050
G18     251.7          47.4                7.0 +/-    0.66       9.1 +/-    0.66  0.050 / 0.050
G22     313.6          37.1                4.7 +/-    1.86       7.2 +/-    1.86  0.110 / 0.240
G25     65.6           18.3                3.4 +/-    0.75       7.7 +/-    0.75  0.110 / 0.200
G31     113.9          78.7                5.8 +/-    0.51       5.9 +/-    0.51  0.060 / 0.130
G32     52.6           40.3                4.2 +/-    0.99       6.1 +/-    0.99  0.070 / 0.120