PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/31-01:43:00
G08     259.9          15.7                9.9 +/-    1.40      24.1 +/-    1.40  0.130 / 0.390
G10     71.8           55.6                7.8 +/-    0.62       9.3 +/-    0.62  0.090 / 0.470
G11     306.5          21.4                7.2 +/-    2.20      15.3 +/-    2.20  0.160 / 0.480
G14     280.4          68.7                8.1 +/-    0.85       8.6 +/-    0.85  0.170 / 0.380
G18     308.6          36.8                6.9 +/-    3.52      10.6 +/-    3.52  0.040 / 0.060
G20     58.8           68.5               14.9 +/-    1.25      15.9 +/-    1.25  0.030 / 0.060
G21     155.9          11.0               10.7 +/-    2.75      29.2 +/-    2.75  0.080 / 0.280
G27     227.8          12.2                9.9 +/-    4.08      26.3 +/-    4.08  0.080 / 0.220
G31     175.3          38.3               11.6 +/-    0.86      17.3 +/-    0.86  0.140 / 0.280
G32     1.7            69.9                7.6 +/-    0.76       8.1 +/-    0.76  0.150 / 0.260