PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/09-00:12:40
G01     75.0           33.3                7.6 +/-    0.92      12.5 +/-    0.92  0.030 / 0.040
G07     135.3          34.6               11.5 +/-    1.76      18.5 +/-    1.76  0.030 / 0.050
G11     58.5           35.3                8.4 +/-    1.48      13.2 +/-    1.48  0.060 / 0.100
G13     279.8          37.5                9.0 +/-    1.26      13.7 +/-    1.26  0.070 / 0.090
G15     305.0          14.9                5.3 +/-    2.12      13.1 +/-    2.12  0.050 / 0.040
G17     227.5          63.2               10.6 +/-    0.97      11.7 +/-    0.97  0.060 / 0.030
G19     221.8          38.8               10.7 +/-    1.44      15.9 +/-    1.44  0.050 / 0.100
G28     14.4           59.9                8.3 +/-    0.75       9.4 +/-    0.75  0.050 / 0.090
G30     131.5          61.5               10.9 +/-    0.42      12.2 +/-    0.42  0.050 / 0.090