PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/11-14:57:40
G08     276.2          20.0                4.0 +/-    2.61       8.8 +/-    2.61  0.450 / 0.190
G10     47.5           61.0                5.5 +/-    1.17       6.2 +/-    1.17  0.410 / 0.520
G11     316.8          10.7               -5.9 +/-    5.85     -16.1 +/-    5.85  0.080 / 0.090
G14     252.7          60.5                7.9 +/-    0.73       9.0 +/-    0.73  0.080 / 0.110
G21     152.6          19.3                6.3 +/-    2.61      14.1 +/-    2.61  0.110 / 0.220
G24     43.0           15.4                5.1 +/-    2.02      12.7 +/-    2.02  0.140 / 0.210
G27     236.0          20.0                6.5 +/-    3.95      14.2 +/-    3.95  0.040 / 0.040
G31     179.4          24.1                7.6 +/-    3.57      15.2 +/-    3.57  0.040 / 0.040
G32     314.8          76.2                6.2 +/-    0.36       6.3 +/-    0.36  0.200 / 0.250