PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/19-06:27:50
G01     115.6          18.7                5.6 +/-    1.19      12.8 +/-    1.19  0.030 / 0.030
G07     86.2           64.9                6.1 +/-    0.75       6.7 +/-    0.75  0.030 / 0.030
G08     44.6           30.9                3.7 +/-    1.23       6.3 +/-    1.23  0.090 / 0.080
G09     175.1          22.8                5.3 +/-    1.93      10.9 +/-    1.93  0.100 / 0.080
G11     107.4          42.1                6.1 +/-    1.40       8.6 +/-    1.40  0.090 / 0.170
G13     316.3          22.1                3.2 +/-    2.18       6.7 +/-    2.18  0.100 / 0.170
G17     201.5          25.3                4.5 +/-    2.35       8.8 +/-    2.35  0.090 / 0.100
G28     284.5          52.8                6.5 +/-    1.66       8.0 +/-    1.66  0.080 / 0.110
G30     343.1          68.3                4.8 +/-    0.74       5.1 +/-    0.74  0.030 / 0.040