PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/19-01:42:40
G01     319.1          18.9                7.5 +/-    2.02      17.0 +/-    2.02  0.120 / 0.220
G08     262.7          13.8                8.6 +/-    2.08      21.9 +/-    2.08  0.100 / 0.190
G10     79.8           51.9                9.9 +/-    0.65      12.1 +/-    0.65  0.040 / 0.050
G11     304.5          21.8                7.3 +/-    1.88      15.4 +/-    1.88  0.050 / 0.050
G14     290.1          69.9                8.4 +/-    0.61       8.9 +/-    0.61  0.110 / 0.400
G18     305.1          40.6                9.2 +/-    2.18      13.2 +/-    2.18  0.150 / 0.370
G20     105.1          29.2               10.0 +/-    1.28      17.7 +/-    1.28  0.080 / 0.110
G31     174.5          42.4               10.7 +/-    1.02      14.9 +/-    1.02  0.100 / 0.100
G32     5.3            68.3                8.2 +/-    0.81       8.7 +/-    0.81  0.030 / 0.020