PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/10-14:57:40
G02     203.5          30.6                8.3 +/-    1.99      14.4 +/-    1.99  0.050 / 0.100
G06     159.5          67.6                9.4 +/-    0.61      10.1 +/-    0.61  0.060 / 0.090
G12     305.8          13.4                6.1 +/-    1.81      15.7 +/-    1.81  0.090 / 0.090
G17     29.8           53.8                8.0 +/-    1.18       9.6 +/-    1.18  0.070 / 0.110
G19     1.1            65.6                7.6 +/-    0.58       8.3 +/-    0.58  0.030 / 0.040
G24     300.1          36.5                7.1 +/-    3.52      10.9 +/-    3.52  0.050 / 0.050
G28     97.1           37.8                9.0 +/-    1.28      13.5 +/-    1.28  0.030 / 0.030