PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/07-02:12:50
G01     269.1          40.7                6.7 +/-    1.06       9.6 +/-    1.06  0.050 / 0.090
G03     315.7          28.6                4.3 +/-    1.20       7.8 +/-    1.20  0.050 / 0.080
G10     130.4          16.9                6.0 +/-    2.56      14.2 +/-    2.56  0.060 / 0.050
G11     248.0          20.4                9.2 +/-    1.41      20.1 +/-    1.41  0.060 / 0.070
G14     46.1           48.3                6.1 +/-    0.59       7.9 +/-    0.59  0.050 / 0.080
G22     313.9          51.9                6.4 +/-    1.64       7.8 +/-    1.64  0.060 / 0.090
G25     49.4           15.3                5.2 +/-    2.05      12.8 +/-    2.05  0.030 / 0.030
G26     151.2          24.0                8.0 +/-    1.21      15.9 +/-    1.21  0.030 / 0.030
G31     56.1           76.7                5.6 +/-    0.80       5.8 +/-    0.80  0.090 / 0.300
G32     63.0           34.8                4.5 +/-    0.75       7.1 +/-    0.75  0.070 / 0.230