PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/25-23:27:50
G01     224.8          15.8                9.3 +/-    2.67      22.7 +/-    2.67  0.110 / 0.220
G03     283.7          68.2                6.9 +/-    0.48       7.4 +/-    0.48  0.090 / 0.170
G09     296.0          11.4               -3.2 +/-   29.11      -8.6 +/-   29.11  0.300 / 0.260
G14     88.3           22.6                6.1 +/-    1.84      12.6 +/-    1.84  0.280 / 0.210
G16     145.0          46.6                9.7 +/-    0.82      12.8 +/-    0.82  0.040 / 0.030
G22     214.8          69.2                8.1 +/-    0.66       8.6 +/-    0.66  0.040 / 0.030
G23     307.6          36.9                7.0 +/-    0.79      10.8 +/-    0.79  0.040 / 0.060
G26     96.3           54.9                7.1 +/-    0.28       8.4 +/-    0.28  0.040 / 0.070
G31     45.3           33.0                6.0 +/-    1.22       9.9 +/-    1.22  0.030 / 0.030