PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/30-00:12:50
G01     250.8          35.5                6.8 +/-    1.99      10.7 +/-    1.99  0.030 / 0.040
G03     316.1          42.8                4.7 +/-    0.94       6.5 +/-    0.94  0.030 / 0.040
G11     235.9          11.7                7.7 +/-    3.31      20.7 +/-    3.31  0.060 / 0.100
G14     60.3           40.7                5.7 +/-    0.79       8.2 +/-    0.79  0.060 / 0.120
G18     218.6          26.6                8.7 +/-    1.80      16.4 +/-    1.80  0.060 / 0.090
G22     304.9          65.2                5.3 +/-    0.67       5.8 +/-    0.67  0.050 / 0.080
G23     286.1          18.0                7.1 +/-    1.62      16.3 +/-    1.62  0.080 / 0.210
G26     136.7          38.0                9.9 +/-    0.76      14.9 +/-    0.76  0.080 / 0.220
G31     41.0           59.6                5.3 +/-    0.64       6.0 +/-    0.64  0.110 / 0.470
G32     77.5           22.5                4.4 +/-    0.77       9.2 +/-    0.77  0.110 / 0.460