PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/23-05:27:50
G01     107.1          25.4                6.9 +/-    1.42      13.4 +/-    1.42  0.070 / 0.130
G07     108.0          56.5                7.2 +/-    0.56       8.4 +/-    0.56  0.080 / 0.120
G08     41.5           18.0                2.2 +/-    1.84       5.2 +/-    1.84  0.020 / 0.020
G09     172.9          11.3                4.1 +/-    1.45      11.0 +/-    1.45  0.020 / 0.020
G11     86.7           42.5                7.0 +/-    1.06       9.8 +/-    1.06  0.030 / 0.030
G13     309.5          29.0               -0.8 +/-    0.90      -1.3 +/-    0.90  0.030 / 0.040
G17     204.6          40.3                7.7 +/-    1.33      11.1 +/-    1.33  0.050 / 0.040
G28     313.9          60.3                4.6 +/-    0.41       5.3 +/-    0.41  0.050 / 0.050
G30     14.7           77.7                6.0 +/-    0.71       6.1 +/-    0.71  0.070 / 0.050