PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/14-06:42:40
G01     117.8          17.1                4.0 +/-    2.16       9.5 +/-    2.16  0.040 / 0.040
G07     80.7           66.0                5.7 +/-    0.43       6.2 +/-    0.43  0.030 / 0.040
G08     45.6           33.2                2.6 +/-    0.44       4.3 +/-    0.44  0.110 / 0.490
G09     175.5          25.4                6.2 +/-    1.08      11.9 +/-    1.08  0.110 / 0.370
G11     110.4          41.0                6.9 +/-    0.60       9.9 +/-    0.60  0.030 / 0.040
G13     317.4          20.2                2.9 +/-    1.80       6.5 +/-    1.80  0.030 / 0.040
G17     201.0          22.6                6.3 +/-    0.65      13.0 +/-    0.65  0.040 / 0.110
G28     280.9          51.6                7.3 +/-    0.67       9.0 +/-    0.67  0.090 / 0.130
G30     339.8          66.3                4.4 +/-    0.77       4.7 +/-    0.77  0.050 / 0.070