PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/09-08:43:00
G01     126.6          10.5              -14.5 +/-   28.05     -39.9 +/-   28.05  0.030 / 0.040
G07     54.3           68.8                3.8 +/-    0.64       4.0 +/-    0.64  0.020 / 0.040
G08     53.5           43.4                2.2 +/-    0.34       3.0 +/-    0.34  0.060 / 0.090
G09     177.6          37.4                6.8 +/-    1.01      10.4 +/-    1.01  0.060 / 0.090
G11     121.3          35.4                5.9 +/-    0.94       9.3 +/-    0.94  0.410 / 0.380
G13     321.0          11.7                0.1 +/-   10.77       0.4 +/-   10.77  0.200 / 0.250
G17     200.0          11.0               -2.8 +/-   16.80      -7.7 +/-   16.80  0.050 / 0.070
G18     104.3          16.0                4.6 +/-    0.84      11.2 +/-    0.84  0.050 / 0.080
G28     267.0          46.3                5.2 +/-    0.80       6.9 +/-    0.80  0.150 / 0.410
G30     329.4          58.5                2.8 +/-    0.75       3.2 +/-    0.75  0.120 / 0.390