PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/13-01:57:40
G01     264.9          41.6                6.5 +/-    1.74       9.2 +/-    1.74  0.070 / 0.080
G03     316.2          30.9                4.6 +/-    1.07       8.0 +/-    1.07  0.080 / 0.090
G10     130.9          13.2                6.2 +/-    2.11      16.1 +/-    2.11  0.040 / 0.060
G11     249.7          18.0                5.7 +/-    1.12      13.3 +/-    1.12  0.050 / 0.060
G14     43.4           50.4                5.1 +/-    0.41       6.4 +/-    0.41  0.060 / 0.100
G18     230.6          37.1                6.6 +/-    2.21      10.1 +/-    2.21  0.050 / 0.090
G22     313.6          52.5                4.8 +/-    0.61       5.9 +/-    0.61  0.170 / 0.250
G25     51.3           16.1                3.4 +/-    1.62       8.2 +/-    1.62  0.110 / 0.260
G31     51.2           69.8                4.5 +/-    0.66       4.7 +/-    0.66  0.200 / 0.190
G32     66.1           30.7                3.7 +/-    2.58       6.3 +/-    2.58  0.250 / 0.220