PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/26-09:42:50
G01     63.0           31.3                4.1 +/-    0.57       7.0 +/-    0.57  0.040 / 0.050
G06     182.5          10.8               -8.9 +/-   34.06     -24.5 +/-   34.06  0.030 / 0.080
G07     140.9          23.5                8.2 +/-    1.06      16.6 +/-    1.06  0.020 / 0.040
G11     49.4           24.7                2.8 +/-    1.32       5.5 +/-    1.32  0.030 / 0.030
G13     268.1          35.7                7.4 +/-    1.60      11.6 +/-    1.60  0.100 / 0.270
G15     296.8          16.3                4.1 +/-    1.75       9.9 +/-    1.75  0.110 / 0.300
G17     253.8          76.5                7.0 +/-    1.11       7.1 +/-    1.11  0.050 / 0.160
G19     230.3          50.0                6.7 +/-    1.16       8.5 +/-    1.16  0.060 / 0.160
G28     32.2           57.2                4.5 +/-    0.66       5.3 +/-    0.66  0.060 / 0.080
G30     141.1          55.4                7.9 +/-    1.00       9.3 +/-    1.00  0.060 / 0.090