PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/04/03-14:28:00
G03     316.2          45.5                7.3 +/-    0.49       9.8 +/-    0.49  0.040 / 0.070
G11     241.0          13.7                7.4 +/-    1.77      18.9 +/-    1.77  0.040 / 0.080
G14     55.7           44.5                6.9 +/-    0.92       9.4 +/-    0.92  0.150 / 0.230
G18     223.4          29.4                8.6 +/-    1.76      15.3 +/-    1.76  0.170 / 0.270
G22     304.8          68.5                8.1 +/-    0.88       8.7 +/-    0.88  0.070 / 0.410
G23     286.6          21.1                7.8 +/-    2.43      16.7 +/-    2.43  0.080 / 0.390
G25     41.8           11.8                6.3 +/-    1.07      16.9 +/-    1.07  0.040 / 0.050
G31     41.7           58.7                6.5 +/-    0.58       7.5 +/-    0.58  0.030 / 0.040
G32     76.4           22.9                6.2 +/-    1.27      12.7 +/-    1.27  0.060 / 0.060