PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/25-00:12:30
G01     318.9          18.5                6.0 +/-    0.91      13.8 +/-    0.91  0.040 / 0.060
G08     255.4          12.8                9.6 +/-    1.85      25.0 +/-    1.85  0.040 / 0.060
G10     81.0           52.5                8.7 +/-    0.27      10.7 +/-    0.27  0.080 / 0.230
G11     301.7          24.0                7.7 +/-    0.89      15.4 +/-    0.89  0.080 / 0.250
G14     297.3          70.5                8.1 +/-    0.67       8.6 +/-    0.67  0.140 / 0.170
G18     303.2          41.9                8.0 +/-    1.19      11.3 +/-    1.19  0.160 / 0.230
G20     105.9          28.6                8.5 +/-    1.77      15.3 +/-    1.77  0.030 / 0.050
G31     175.5          43.0               11.3 +/-    1.18      15.7 +/-    1.18  0.030 / 0.040
G32     11.1           66.4                6.9 +/-    0.52       7.4 +/-    0.52  0.190 / 0.330