PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/11-09:13:10
G01     110.4          23.6                6.3 +/-    1.98      12.7 +/-    1.98  0.070 / 0.200
G07     102.1          59.1                6.6 +/-    0.57       7.5 +/-    0.57  0.090 / 0.220
G08     42.2           21.9                3.0 +/-    1.06       6.3 +/-    1.06  0.030 / 0.030
G09     174.8          16.0                7.9 +/-    1.16      19.2 +/-    1.16  0.030 / 0.040
G11     92.6           41.2                6.3 +/-    0.30       9.0 +/-    0.30  0.050 / 0.060
G13     313.4          24.7                4.5 +/-    1.89       8.9 +/-    1.89  0.050 / 0.050
G17     203.9          36.4                7.5 +/-    2.43      11.6 +/-    2.43  0.060 / 0.090
G19     208.0          11.2                0.6 +/-   14.41       1.7 +/-   14.41  0.060 / 0.070
G28     311.9          60.4                5.0 +/-    0.67       5.7 +/-    0.67  0.110 / 0.180
G30     7.2            75.3                5.8 +/-    0.58       6.0 +/-    0.58  0.130 / 0.220