PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/11-01:42:50
G01     84.2           32.9                5.8 +/-    0.65       9.5 +/-    0.65  0.110 / 0.200
G07     129.8          41.3                6.8 +/-    1.16       9.6 +/-    1.16  0.070 / 0.210
G11     65.6           39.1                3.3 +/-    0.51       4.9 +/-    0.51  0.060 / 0.050
G13     289.6          36.7                3.8 +/-    1.07       5.9 +/-    1.07  0.040 / 0.050
G15     311.1          12.6                3.0 +/-    2.05       7.9 +/-    2.05  0.040 / 0.050
G17     219.1          57.3                5.5 +/-    0.91       6.4 +/-    0.91  0.030 / 0.050
G19     217.1          32.2                6.5 +/-    2.12      10.8 +/-    2.12  0.050 / 0.100
G28     0.4            61.1                2.9 +/-    0.86       3.3 +/-    0.86  0.050 / 0.090
G30     120.7          67.5                4.3 +/-    0.62       4.6 +/-    0.62  0.050 / 0.120