PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/17-02:58:10
G01     296.3          39.9                6.5 +/-    1.37       9.5 +/-    1.37  0.040 / 0.060
G03     309.8          12.6                5.6 +/-    3.50      14.8 +/-    3.50  0.040 / 0.050
G10     115.2          31.2                7.3 +/-    1.06      12.4 +/-    1.06  0.070 / 0.120
G11     271.9          26.2                6.8 +/-    1.27      12.9 +/-    1.27  0.050 / 0.110
G14     12.5           62.9                5.4 +/-    0.73       6.0 +/-    0.73  0.060 / 0.080
G18     259.9          49.6                6.6 +/-    1.47       8.3 +/-    1.47  0.050 / 0.090
G22     312.8          32.7                5.0 +/-    2.26       8.3 +/-    2.26  0.060 / 0.090
G25     73.7           18.3                4.3 +/-    1.01       9.8 +/-    1.01  0.070 / 0.080
G31     143.3          75.2               -3.1 +/-    0.67      -3.2 +/-    0.67  0.140 / 0.240
G32     45.3           46.1                4.0 +/-    0.61       5.3 +/-    0.61  0.150 / 0.210