PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/25-00:27:30
G01     225.6          16.3                8.3 +/-    1.38      19.9 +/-    1.38  0.030 / 0.030
G03     285.9          67.4                5.9 +/-    0.65       6.4 +/-    0.65  0.030 / 0.030
G14     87.9           23.0                4.8 +/-    1.52       9.7 +/-    1.52  0.300 / 0.220
G16     152.3          43.6                8.8 +/-    1.00      12.1 +/-    1.00  0.250 / 0.260
G22     216.9          70.4                6.7 +/-    0.86       7.1 +/-    0.86  0.040 / 0.080
G23     307.4          37.0                6.6 +/-    1.99      10.2 +/-    1.99  0.040 / 0.070
G26     100.9          55.3                7.1 +/-    0.58       8.4 +/-    0.58  0.040 / 0.070
G31     44.5           34.3                4.2 +/-    1.38       6.8 +/-    1.38  0.070 / 0.070