PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/05-10:27:50
G01     117.3          19.1                5.3 +/-    1.54      12.0 +/-    1.54  0.030 / 0.020
G07     86.0           65.2                4.3 +/-    0.54       4.7 +/-    0.54  0.030 / 0.030
G08     43.4           27.1                2.1 +/-    2.22       4.0 +/-    2.22  0.150 / 0.180
G09     174.6          21.3                6.3 +/-    1.90      13.4 +/-    1.90  0.130 / 0.160
G11     101.8          40.6                5.5 +/-    1.18       7.9 +/-    1.18  0.130 / 0.240
G13     316.5          21.3                1.4 +/-    1.90       3.1 +/-    1.90  0.090 / 0.200
G17     201.3          28.8                4.7 +/-    0.95       8.5 +/-    0.95  0.040 / 0.030
G18     91.2           21.4                4.2 +/-    2.66       8.9 +/-    2.66  0.040 / 0.030
G28     295.8          58.0                2.9 +/-    0.80       3.3 +/-    0.80  0.150 / 0.210
G30     345.5          68.8                3.5 +/-    0.69       3.7 +/-    0.69  0.130 / 0.170