PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/07-08:58:10
G01     60.6           30.6                3.4 +/-    0.64       5.9 +/-    0.64  0.030 / 0.070
G06     182.3          12.4                5.4 +/-    1.86      14.2 +/-    1.86  0.030 / 0.070
G07     142.0          21.6                7.0 +/-    1.19      14.9 +/-    1.19  0.050 / 0.150
G11     48.4           23.3                2.7 +/-    1.06       5.5 +/-    1.06  0.050 / 0.140
G13     265.1          35.1                7.9 +/-    1.14      12.5 +/-    1.14  0.040 / 0.040
G15     294.4          16.6                2.7 +/-    1.23       6.4 +/-    1.23  0.030 / 0.030
G17     262.9          77.8                7.1 +/-    0.65       7.3 +/-    0.65  0.090 / 0.220
G19     232.8          52.0                8.8 +/-    1.53      10.8 +/-    1.53  0.110 / 0.270
G28     36.1           56.5                3.1 +/-    0.41       3.7 +/-    0.41  0.180 / 0.340
G30     142.9          52.6                7.8 +/-    1.79       9.6 +/-    1.79  0.130 / 0.280