PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/03-04:27:50
G01     309.5          31.4                5.8 +/-    2.76       9.9 +/-    2.76  0.080 / 0.150
G10     103.2          41.8                8.2 +/-    0.78      11.6 +/-    0.78  0.100 / 0.140
G11     284.2          28.2                7.2 +/-    1.00      13.2 +/-    1.00  0.030 / 0.060
G14     345.5          68.5                7.4 +/-    0.79       7.9 +/-    0.79  0.060 / 0.050
G18     281.7          49.3                8.3 +/-    0.90      10.6 +/-    0.90  0.050 / 0.050
G20     113.1          39.4               15.7 +/-    2.14      23.0 +/-    2.14  0.040 / 0.060
G22     308.8          23.6                6.4 +/-    1.07      12.8 +/-    1.07  0.090 / 0.140
G25     84.3           15.6                5.1 +/-    1.59      12.5 +/-    1.59  0.070 / 0.170
G31     164.7          63.7               11.3 +/-    0.85      12.4 +/-    0.85  0.090 / 0.100
G32     35.3           52.9                6.7 +/-    0.46       8.2 +/-    0.46  0.060 / 0.090