PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/25-00:27:40
G01     316.1          23.9                8.2 +/-    1.61      16.3 +/-    1.61  0.130 / 0.350
G10     90.7           48.4                9.1 +/-    0.32      11.7 +/-    0.32  0.170 / 0.330
G11     295.0          26.4                6.5 +/-    1.07      12.3 +/-    1.07  0.040 / 0.040
G14     319.0          70.9                7.1 +/-    0.76       7.5 +/-    0.76  0.050 / 0.040
G18     295.5          46.1                7.1 +/-    0.66       9.4 +/-    0.66  0.100 / 0.190
G20     111.4          23.8                7.3 +/-    1.23      14.7 +/-    1.23  0.090 / 0.200
G22     304.3          15.1                5.0 +/-    2.36      12.4 +/-    2.36  0.120 / 0.160
G25     92.4           11.5               -7.1 +/-   33.00     -19.1 +/-   33.00  0.080 / 0.160
G31     173.5          50.6                9.7 +/-    1.49      12.2 +/-    1.49  0.030 / 0.050
G32     21.7           61.3                7.3 +/-    0.61       8.2 +/-    0.61  0.030 / 0.040