PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/10-03:42:40
G01     223.6          16.1                7.4 +/-    1.81      17.9 +/-    1.81  0.040 / 0.040
G03     286.5          68.0                4.4 +/-    0.80       4.7 +/-    0.80  0.040 / 0.040
G14     86.1           25.5                4.5 +/-    1.10       8.7 +/-    1.10  0.050 / 0.090
G16     143.4          46.1                7.6 +/-    0.78      10.1 +/-    0.78  0.050 / 0.080
G22     219.1          69.9                6.3 +/-    0.86       6.7 +/-    0.86  0.090 / 0.190
G23     309.4          40.0                4.3 +/-    0.95       6.3 +/-    0.95  0.090 / 0.240
G26     94.6           54.1                5.1 +/-    0.61       6.2 +/-    0.61  0.040 / 0.080
G31     46.3           29.7                1.5 +/-    0.99       2.7 +/-    0.99  0.040 / 0.090