PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/23-00:27:50
G01     295.8          40.3                9.6 +/-    4.92      13.9 +/-    4.92  0.070 / 0.080
G03     309.8          12.0                3.1 +/-   20.64       8.2 +/-   20.64  0.060 / 0.070
G10     115.4          30.8                8.0 +/-    0.78      13.8 +/-    0.78  0.050 / 0.050
G11     272.6          25.9                7.8 +/-    1.65      14.9 +/-    1.65  0.040 / 0.040
G14     10.4           63.4                7.3 +/-    0.83       8.1 +/-    0.83  0.050 / 0.060
G18     259.8          49.5                8.0 +/-    2.85      10.1 +/-    2.85  0.080 / 0.080
G22     312.8          32.3                6.3 +/-    0.96      10.5 +/-    0.96  0.080 / 0.130
G25     73.4           18.3                6.7 +/-    1.45      15.3 +/-    1.45  0.080 / 0.160
G31     143.5          75.3                7.9 +/-    0.86       8.1 +/-    0.86  0.060 / 0.120
G32     46.3           45.2                6.5 +/-    0.83       8.8 +/-    0.83  0.060 / 0.140