PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/22-14:12:40
G01     124.9          12.4                7.1 +/-    2.47      18.8 +/-    2.47  0.040 / 0.040
G07     68.7           66.5                6.3 +/-    0.60       6.8 +/-    0.60  0.040 / 0.050
G08     50.2           39.8                6.0 +/-    0.69       8.8 +/-    0.69  0.060 / 0.100
G09     178.6          35.8                7.7 +/-    2.01      12.0 +/-    2.01  0.050 / 0.090
G11     116.1          37.0                6.8 +/-    0.97      10.3 +/-    0.97  0.060 / 0.120
G13     320.3          13.9                5.3 +/-    1.17      13.7 +/-    1.17  0.060 / 0.130
G17     200.2          14.6                5.6 +/-    3.24      14.1 +/-    3.24  0.100 / 0.340
G18     101.0          17.3                7.4 +/-    1.21      17.5 +/-    1.21  0.120 / 0.360
G28     272.3          49.3                6.3 +/-    1.14       8.0 +/-    1.14  0.120 / 0.290
G30     338.6          64.1                6.0 +/-    0.64       6.6 +/-    0.64  0.100 / 0.260