PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/13-03:27:40
G08     271.3          20.4                6.9 +/-    2.20      15.0 +/-    2.20  0.030 / 0.030
G10     47.8           61.2                5.9 +/-    1.10       6.6 +/-    1.10  0.030 / 0.040
G11     313.7          15.3                6.7 +/-    4.91      16.6 +/-    4.91  0.100 / 0.310
G14     256.9          64.1                7.2 +/-    1.88       8.0 +/-    1.88  0.100 / 0.250
G18     85.0           41.2                7.0 +/-    0.48      10.0 +/-    0.48  0.070 / 0.200
G24     43.0           15.6                4.0 +/-    0.75       9.7 +/-    0.75  0.170 / 0.190
G27     234.9          19.4               11.2 +/-    1.88      25.0 +/-    1.88  0.050 / 0.060
G31     179.8          23.9                9.8 +/-    1.43      19.6 +/-    1.43  0.040 / 0.060
G32     309.1          75.6                8.0 +/-    0.89       8.3 +/-    0.89  0.080 / 0.180