PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/10-07:12:40
G01     112.4          20.9                6.4 +/-    1.17      13.7 +/-    1.17  0.040 / 0.040
G07     94.4           62.4                6.1 +/-    0.39       6.8 +/-    0.39  0.030 / 0.040
G08     43.5           28.1                2.9 +/-    0.71       5.4 +/-    0.71  0.100 / 0.120
G09     174.9          19.6                5.5 +/-    2.58      12.2 +/-    2.58  0.060 / 0.130
G11     102.1          43.3                7.0 +/-    0.73       9.7 +/-    0.73  0.100 / 0.200
G13     314.2          24.8                2.3 +/-    1.39       4.5 +/-    1.39  0.100 / 0.260
G17     202.6          28.7                5.6 +/-    1.06      10.1 +/-    1.06  0.030 / 0.040
G28     290.6          54.6                5.6 +/-    0.60       6.7 +/-    0.60  0.030 / 0.040
G30     350.2          71.6                5.3 +/-    0.77       5.6 +/-    0.77  0.040 / 0.070