PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/28-23:43:00
G08     260.7          15.9                8.4 +/-    2.00      20.5 +/-    2.00  0.160 / 0.530
G10     71.2           55.7                8.6 +/-    0.34      10.1 +/-    0.34  0.100 / 0.610
G11     307.0          21.0                6.2 +/-    2.32      13.3 +/-    2.32  0.200 / 0.260
G14     279.4          68.6                7.4 +/-    0.63       7.9 +/-    0.63  0.200 / 0.290
G18     308.5          37.3                7.5 +/-    1.85      11.5 +/-    1.85  0.030 / 0.050
G20     100.5          33.0                7.9 +/-    1.04      13.0 +/-    1.04  0.030 / 0.050
G21     155.4          10.0                8.8 +/-    2.78      24.6 +/-    2.78  0.120 / 0.360
G27     228.9          12.6                9.6 +/-    1.50      25.2 +/-    1.50  0.210 / 0.390
G31     177.1          36.2                8.9 +/-    1.84      13.9 +/-    1.84  0.180 / 0.390
G32     358.0          70.7                6.9 +/-    0.29       7.3 +/-    0.29  0.200 / 0.370