PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/18-02:27:50
G01     308.8          33.2                7.3 +/-    1.14      11.9 +/-    1.14  0.050 / 0.070
G10     103.4          40.1                7.5 +/-    0.34      10.9 +/-    0.34  0.040 / 0.050
G11     285.6          27.0                7.8 +/-    1.18      14.6 +/-    1.18  0.070 / 0.120
G14     346.2          68.7                6.7 +/-    1.10       7.1 +/-    1.10  0.080 / 0.140
G18     280.7          49.9                7.6 +/-    0.80       9.5 +/-    0.80  0.040 / 0.050
G20     119.1          15.7                7.0 +/-    1.49      17.2 +/-    1.49  0.040 / 0.050
G22     308.9          22.7                5.6 +/-    1.37      11.6 +/-    1.37  0.080 / 0.120
G25     86.1           15.4                6.0 +/-    1.05      14.8 +/-    1.05  0.060 / 0.130
G31     165.4          63.0                9.5 +/-    0.90      10.5 +/-    0.90  0.080 / 0.170
G32     32.6           54.8                6.2 +/-    0.34       7.4 +/-    0.34  0.070 / 0.200