PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/09-07:12:40
G01     114.1          19.8                6.8 +/-    1.56      14.9 +/-    1.56  0.030 / 0.040
G07     90.6           63.6                6.5 +/-    0.66       7.1 +/-    0.66  0.030 / 0.030
G08     44.0           29.7                3.1 +/-    0.74       5.5 +/-    0.74  0.060 / 0.130
G09     175.1          21.4                6.1 +/-    1.10      13.0 +/-    1.10  0.060 / 0.110
G11     104.6          42.7                7.6 +/-    0.98      10.6 +/-    0.98  0.030 / 0.040
G13     315.3          23.5                2.4 +/-    2.01       4.9 +/-    2.01  0.030 / 0.040
G17     202.1          26.8                6.7 +/-    0.62      12.5 +/-    0.62  0.080 / 0.200
G28     287.7          53.8                6.9 +/-    0.80       8.4 +/-    0.80  0.090 / 0.220
G30     346.8          70.1                4.7 +/-    0.96       5.0 +/-    0.96  0.040 / 0.070