PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/09-11:58:00
G01     124.9          13.3                4.9 +/-    2.20      12.7 +/-    2.20  0.040 / 0.030
G07     61.0           69.0                5.5 +/-    0.46       5.8 +/-    0.46  0.040 / 0.020
G08     47.9           36.0                4.0 +/-    1.43       6.3 +/-    1.43  0.050 / 0.030
G09     176.2          31.2                6.3 +/-    0.86      10.7 +/-    0.86  0.040 / 0.020
G11     114.1          36.8                5.9 +/-    0.94       9.0 +/-    0.94  0.080 / 0.330
G13     320.3          14.0                3.3 +/-    3.24       8.3 +/-    3.24  0.190 / 0.310
G17     199.9          18.4                3.6 +/-    2.62       8.1 +/-    2.62  0.180 / 0.300
G18     100.8          17.8                4.5 +/-    2.21      10.5 +/-    2.21  0.130 / 0.210
G28     280.1          54.1                6.2 +/-    2.75       7.4 +/-    2.75  0.100 / 0.200
G30     334.1          61.6                5.0 +/-    0.66       5.6 +/-    0.66  0.100 / 0.190