PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/13-02:57:40
G01     305.0          35.9                8.1 +/-    1.42      12.7 +/-    1.42  0.080 / 0.170
G10     107.9          37.1                8.3 +/-    0.36      12.8 +/-    0.36  0.080 / 0.140
G11     280.6          27.2                7.7 +/-    1.31      14.3 +/-    1.31  0.040 / 0.050
G14     357.0          66.8                7.5 +/-    0.60       8.1 +/-    0.60  0.050 / 0.050
G18     273.4          50.5                9.1 +/-    0.99      11.4 +/-    0.99  0.060 / 0.110
G20     121.8          12.6                8.6 +/-    2.70      22.6 +/-    2.70  0.080 / 0.120
G22     310.5          26.3                6.5 +/-    2.01      12.4 +/-    2.01  0.050 / 0.070
G25     81.8           16.7                6.1 +/-    1.03      14.7 +/-    1.03  0.040 / 0.070
G31     160.6          67.7                9.4 +/-    1.07      10.1 +/-    1.07  0.080 / 0.140
G32     37.2           51.8                6.8 +/-    0.43       8.4 +/-    0.43  0.080 / 0.220