PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/09-06:43:00
G01     317.7          21.8                4.4 +/-    1.90       9.3 +/-    1.90  0.110 / 0.290
G08     255.7          11.7                5.8 +/-   11.51      15.5 +/-   11.51  0.100 / 0.340
G10     85.8           49.8                5.2 +/-    1.08       6.6 +/-    1.08  0.030 / 0.040
G11     299.5          24.5                3.7 +/-    1.86       7.2 +/-    1.86  0.040 / 0.040
G14     308.3          71.4                4.4 +/-    0.49       4.6 +/-    0.49  0.200 / 0.190
G18     300.3          44.0                5.2 +/-    3.10       7.1 +/-    3.10  0.240 / 0.140
G20     108.5          26.5                4.8 +/-    1.05       9.0 +/-    1.05  0.040 / 0.050
G22     303.2          14.4                4.4 +/-    2.59      11.1 +/-    2.59  0.040 / 0.050
G31     174.1          46.4                7.7 +/-    0.80      10.1 +/-    0.80  0.160 / 0.350
G32     7.9            66.8                4.0 +/-    0.83       4.4 +/-    0.83  0.170 / 0.350