PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/26-10:12:50
G01     50.9           25.7                4.5 +/-    1.96       8.6 +/-    1.96  0.100 / 0.290
G06     176.9          23.0                7.7 +/-    1.94      15.8 +/-    1.94  0.120 / 0.190
G07     144.9          13.5                6.0 +/-    5.73      15.5 +/-    5.73  0.040 / 0.030
G11     45.5           19.1                3.6 +/-    1.42       8.2 +/-    1.42  0.030 / 0.020
G13     251.6          32.5                6.4 +/-    2.53      10.6 +/-    2.53  0.040 / 0.050
G15     286.1          15.9                4.6 +/-    1.28      11.2 +/-    1.28  0.030 / 0.060
G17     290.0          78.6                6.0 +/-    0.69       6.1 +/-    0.69  0.100 / 0.200
G19     242.6          60.0                5.8 +/-    1.28       6.6 +/-    1.28  0.100 / 0.140
G28     37.2           58.0                3.3 +/-    0.76       3.8 +/-    0.76  0.040 / 0.040
G30     149.2          46.0                8.4 +/-    1.01      11.2 +/-    1.01  0.040 / 0.050