PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/29-11:12:40
G08     263.4          17.0                5.7 +/-    0.92      13.5 +/-    0.92  0.180 / 0.430
G10     68.1           56.1                5.1 +/-    0.55       6.0 +/-    0.55  0.130 / 0.360
G11     308.6          19.8                2.8 +/-    1.46       6.1 +/-    1.46  0.020 / 0.020
G14     275.8          68.9                5.1 +/-    0.90       5.4 +/-    0.90  0.030 / 0.020
G20     98.7           34.2                5.6 +/-    0.87       9.0 +/-    0.87  0.040 / 0.040
G21     154.7          10.0                6.0 +/-    2.93      16.7 +/-    2.93  0.040 / 0.040
G27     231.1          14.4                4.6 +/-    3.32      11.5 +/-    3.32  0.040 / 0.020
G31     178.8          32.3                5.6 +/-    0.98       9.4 +/-    0.98  0.030 / 0.020
G32     330.8          73.6                5.5 +/-    0.59       5.7 +/-    0.59  0.260 / 0.330