PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/12-02:27:40
G01     316.1          24.9                4.3 +/-    1.45       8.5 +/-    1.45  0.090 / 0.230
G08     255.9          10.2                7.9 +/-    2.59      21.9 +/-    2.59  0.090 / 0.300
G10     90.2           47.6                8.0 +/-    0.29      10.4 +/-    0.29  0.050 / 0.060
G11     297.4          24.9                7.7 +/-    2.23      15.1 +/-    2.23  0.050 / 0.070
G14     313.9          71.0                6.6 +/-    0.61       6.9 +/-    0.61  0.090 / 0.170
G18     297.1          45.5                6.5 +/-    0.53       8.7 +/-    0.53  0.070 / 0.170
G20     111.1          24.1                6.2 +/-    1.04      12.3 +/-    1.04  0.030 / 0.050
G22     304.2          14.4                5.5 +/-    1.49      13.8 +/-    1.49  0.040 / 0.050
G31     172.1          50.6                8.1 +/-    0.91      10.2 +/-    0.91  0.170 / 0.460
G32     17.9           63.1                6.2 +/-    0.47       6.9 +/-    0.47  0.180 / 0.420