PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/10-09:42:50
G01     40.8           15.7                2.8 +/-    1.31       6.9 +/-    1.31  0.050 / 0.070
G06     177.6          37.4                6.6 +/-    1.91      10.1 +/-    1.91  0.050 / 0.080
G13     238.6          21.6                5.3 +/-    2.49      11.2 +/-    2.49  0.130 / 0.280
G15     270.2          12.3                4.8 +/-    1.87      12.8 +/-    1.87  0.150 / 0.320
G17     7.5            68.7                5.3 +/-    0.56       5.6 +/-    0.56  0.040 / 0.070
G19     284.1          70.7                4.6 +/-    0.92       4.8 +/-    0.92  0.030 / 0.030
G24     316.9          18.6                2.4 +/-    2.15       5.6 +/-    2.15  0.050 / 0.070
G28     73.4           45.9                4.5 +/-    0.44       6.0 +/-    0.44  0.040 / 0.070
G30     154.6          26.6                7.3 +/-    1.75      13.7 +/-    1.75  0.140 / 0.260