PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/21-23:43:00
G01     225.2          16.2                7.6 +/-    5.51      18.3 +/-    5.51  0.090 / 0.210
G03     285.4          67.8                6.4 +/-    0.43       6.9 +/-    0.43  0.110 / 0.210
G09     295.7          11.2               -6.1 +/-   28.82     -16.6 +/-   28.82  0.260 / 0.270
G14     87.8           23.0                6.7 +/-    2.54      13.7 +/-    2.54  0.390 / 0.340
G16     145.4          46.1                8.5 +/-    1.54      11.3 +/-    1.54  0.030 / 0.030
G22     216.3          69.7                6.9 +/-    0.66       7.3 +/-    0.66  0.030 / 0.020
G23     307.1          36.5                6.3 +/-    1.16       9.8 +/-    1.16  0.040 / 0.050
G26     97.2           54.8                6.6 +/-    0.51       7.9 +/-    0.51  0.040 / 0.060
G31     45.1           33.3                5.3 +/-    1.28       8.6 +/-    1.28  0.030 / 0.030