PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/24-03:43:00
G08     277.2          21.5                8.7 +/-    1.31      18.4 +/-    1.31  0.140 / 0.280
G10     40.9           61.6                6.5 +/-    0.35       7.3 +/-    0.35  0.130 / 0.260
G14     246.4          57.1               11.2 +/-    0.64      13.1 +/-    0.64  0.040 / 0.080
G18     316.3          22.8                6.2 +/-    2.80      12.7 +/-    2.80  0.040 / 0.060
G20     65.3           59.5               12.5 +/-    0.28      14.3 +/-    0.28  0.040 / 0.030
G21     152.7          26.2                9.3 +/-    1.65      17.7 +/-    1.65  0.030 / 0.030
G24     44.0           16.1                6.3 +/-    1.06      15.3 +/-    1.06  0.140 / 0.340
G27     240.0          22.7               11.0 +/-    2.85      22.6 +/-    2.85  0.150 / 0.280
G31     178.9          21.8               13.6 +/-    2.31      28.5 +/-    2.31  0.100 / 0.200
G32     303.7          76.9                8.3 +/-    0.75       8.5 +/-    0.75  0.100 / 0.180