PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/24-00:12:30
G01     319.5          17.0                8.0 +/-    1.84      18.9 +/-    1.84  0.140 / 0.190
G08     257.0          13.8               11.3 +/-    1.03      29.0 +/-    1.03  0.130 / 0.180
G10     78.2           53.5                9.4 +/-    0.73      11.4 +/-    0.73  0.040 / 0.060
G11     303.4          23.1                8.3 +/-    1.91      16.9 +/-    1.91  0.040 / 0.060
G14     291.5          70.1                9.3 +/-    0.66       9.9 +/-    0.66  0.080 / 0.200
G18     305.0          40.5                8.0 +/-    1.70      11.5 +/-    1.70  0.080 / 0.200
G20     104.3          30.0               10.2 +/-    0.58      17.9 +/-    0.58  0.150 / 0.230
G31     175.9          41.0               12.9 +/-    0.55      18.4 +/-    0.55  0.180 / 0.240
G32     7.6            67.7                8.7 +/-    0.77       9.4 +/-    0.77  0.040 / 0.090