PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/30-14:43:10
G03     316.2          45.6                8.0 +/-    0.53      10.7 +/-    0.53  0.040 / 0.080
G11     241.3          13.8                7.2 +/-    2.30      18.3 +/-    2.30  0.040 / 0.060
G14     55.6           44.5                8.1 +/-    0.88      11.0 +/-    0.88  0.120 / 0.180
G18     223.5          29.6                9.1 +/-    1.32      16.2 +/-    1.32  0.200 / 0.260
G22     305.2          68.1                8.6 +/-    0.51       9.2 +/-    0.51  0.030 / 0.040
G25     42.0           11.9                7.0 +/-    1.74      18.8 +/-    1.74  0.030 / 0.040
G26     136.5          36.8               11.8 +/-    0.58      18.2 +/-    0.58  0.030 / 0.040
G31     41.7           58.9                7.4 +/-    0.61       8.5 +/-    0.61  0.030 / 0.030
G32     76.2           23.1                7.7 +/-    1.97      15.8 +/-    1.97  0.060 / 0.070