PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/11-08:58:10
G02     205.7          44.2                6.0 +/-    0.93       8.2 +/-    0.93  0.060 / 0.120
G06     135.0          76.6                6.5 +/-    0.58       6.7 +/-    0.58  0.070 / 0.120
G12     312.1          24.8                4.2 +/-    0.84       8.3 +/-    0.84  0.060 / 0.090
G17     43.0           43.2                5.0 +/-    1.17       6.9 +/-    1.17  0.100 / 0.080
G19     20.0           58.8                5.1 +/-    0.96       5.8 +/-    0.96  0.060 / 0.150
G24     289.4          40.1                7.8 +/-    4.45      11.3 +/-    4.45  0.060 / 0.140
G28     106.1          33.0                8.2 +/-    1.31      13.6 +/-    1.31  0.030 / 0.050