PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/06-06:58:10
G01     124.1          12.4                4.9 +/-    1.16      12.9 +/-    1.16  0.040 / 0.040
G07     60.8           68.6                6.7 +/-    0.76       7.2 +/-    0.76  0.050 / 0.040
G08     50.3           39.8                5.1 +/-    0.76       7.5 +/-    0.76  0.020 / 0.040
G09     176.5          33.4                9.7 +/-    2.76      15.9 +/-    2.76  0.020 / 0.040
G11     119.0          37.1                8.0 +/-    0.90      12.3 +/-    0.90  0.090 / 0.320
G13     320.2          14.1                1.9 +/-    2.09       4.8 +/-    2.09  0.090 / 0.300
G17     199.9          14.9                4.7 +/-    1.87      11.7 +/-    1.87  0.090 / 0.330
G18     101.6          17.4                7.0 +/-    1.56      16.4 +/-    1.56  0.120 / 0.330
G28     270.4          47.6                8.7 +/-    0.96      11.3 +/-    0.96  0.110 / 0.380
G30     331.2          60.1                5.7 +/-    0.81       6.5 +/-    0.81  0.100 / 0.370