PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/07-03:43:00
G01     254.6          37.0                7.2 +/-    1.18      11.0 +/-    1.18  0.050 / 0.080
G03     316.4          39.7                5.8 +/-    1.39       8.4 +/-    1.39  0.070 / 0.090
G11     238.8          13.6                7.5 +/-    1.77      19.4 +/-    1.77  0.040 / 0.050
G14     56.2           43.5                4.6 +/-    0.59       6.4 +/-    0.59  0.050 / 0.040
G18     222.1          29.5                7.7 +/-    1.71      13.6 +/-    1.71  0.050 / 0.100
G22     308.0          62.8                6.1 +/-    1.40       6.8 +/-    1.40  0.050 / 0.080
G25     40.9           10.5                4.5 +/-    1.25      12.4 +/-    1.25  0.120 / 0.310
G26     137.6          36.0                9.5 +/-    1.06      14.7 +/-    1.06  0.120 / 0.280
G31     42.2           60.5                4.8 +/-    0.58       5.4 +/-    0.58  0.180 / 0.390
G32     75.3           23.7                5.2 +/-    1.11      10.5 +/-    1.11  0.230 / 0.460