PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/16-06:43:00
G01     114.6          19.4                5.9 +/-    0.76      13.2 +/-    0.76  0.040 / 0.030
G07     89.1           64.1                6.4 +/-    0.96       7.0 +/-    0.96  0.040 / 0.030
G08     44.1           29.9                4.2 +/-    1.25       7.4 +/-    1.25  0.130 / 0.200
G09     175.0          21.7                5.4 +/-    1.22      11.5 +/-    1.22  0.180 / 0.250
G11     105.7          42.5                7.0 +/-    0.96       9.7 +/-    0.96  0.090 / 0.260
G13     315.6          23.0                4.1 +/-    1.84       8.4 +/-    1.84  0.090 / 0.170
G17     201.8          26.4                4.5 +/-    1.80       8.6 +/-    1.80  0.040 / 0.040
G28     286.5          53.4                5.2 +/-    2.47       6.3 +/-    2.47  0.030 / 0.040
G30     345.3          69.4                4.9 +/-    0.49       5.2 +/-    0.49  0.080 / 0.080