PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/26-04:27:50
G01     297.1          39.5                6.0 +/-    7.58       8.7 +/-    7.58  0.080 / 0.100
G03     309.8          12.8                4.3 +/-    4.63      11.2 +/-    4.63  0.070 / 0.080
G10     114.8          31.6                5.4 +/-    1.24       9.2 +/-    1.24  0.060 / 0.080
G11     271.9          26.5                7.0 +/-    2.28      13.3 +/-    2.28  0.080 / 0.090
G14     12.9           62.8                5.4 +/-    0.84       6.0 +/-    0.84  0.050 / 0.050
G18     260.5          49.7                5.3 +/-    4.84       6.7 +/-    4.84  0.040 / 0.050
G22     312.8          33.0                4.0 +/-    1.54       6.5 +/-    1.54  0.050 / 0.090
G25     74.1           18.2                3.3 +/-    1.36       7.6 +/-    1.36  0.070 / 0.080
G31     145.3          74.8                7.0 +/-    1.04       7.2 +/-    1.04  0.030 / 0.030
G32     44.2           47.0                3.8 +/-    1.04       4.9 +/-    1.04  0.040 / 0.040