PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/26-11:27:40
G02     201.4          23.4                3.0 +/-    1.25       6.1 +/-    1.25  0.080 / 0.290
G06     166.2          59.2                7.7 +/-    0.84       8.8 +/-    0.84  0.090 / 0.240
G13     222.8          10.6                4.4 +/-    2.29      12.2 +/-    2.29  0.070 / 0.090
G17     24.3           57.9                5.6 +/-    0.37       6.5 +/-    0.37  0.080 / 0.140
G19     342.3          69.8                5.8 +/-    0.57       6.1 +/-    0.57  0.230 / 0.350
G24     307.5          31.2                5.5 +/-    1.75       9.5 +/-    1.75  0.190 / 0.490
G28     87.5           43.4                5.2 +/-    0.66       7.2 +/-    0.66  0.040 / 0.040
G30     158.1          12.3                4.1 +/-    4.08      11.0 +/-    4.08  0.040 / 0.040