PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/18-05:12:40
G01     121.7          15.8                6.8 +/-    2.33      16.6 +/-    2.33  0.200 / 0.210
G07     75.9           66.6                6.6 +/-    0.43       7.1 +/-    0.43  0.090 / 0.270
G08     45.4           31.7                3.4 +/-    0.86       5.8 +/-    0.86  0.130 / 0.300
G09     175.0          26.3                5.5 +/-    1.50      10.5 +/-    1.50  0.210 / 0.260
G11     108.5          38.9                8.1 +/-    0.98      12.0 +/-    0.98  0.080 / 0.090
G13     318.8          17.4                4.1 +/-    2.12       9.7 +/-    2.12  0.110 / 0.080
G17     199.9          23.7                6.5 +/-    3.03      13.2 +/-    3.03  0.030 / 0.030
G28     284.6          54.9                5.4 +/-    1.99       6.4 +/-    1.99  0.030 / 0.020
G30     338.6          64.8                5.7 +/-    0.42       6.2 +/-    0.42  0.080 / 0.100