PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/27-16:58:10
G05     48.3           20.1                6.9 +/-    1.77      15.2 +/-    1.77  0.050 / 0.070
G10     236.3          13.0                8.7 +/-    4.75      22.7 +/-    4.75  0.060 / 0.070
G13     75.1           36.1                8.0 +/-    1.12      12.5 +/-    1.12  0.140 / 0.460
G15     129.4          52.0                9.9 +/-    0.86      12.2 +/-    0.86  0.130 / 0.430
G16     314.0          12.4                8.5 +/-    2.78      22.5 +/-    2.78  0.080 / 0.120
G20     248.3          37.1               10.3 +/-    1.02      15.7 +/-    1.02  0.070 / 0.110
G21     314.6          48.0                8.7 +/-    0.82      11.2 +/-    0.82  0.070 / 0.150
G26     288.0          20.0                8.4 +/-    1.51      18.4 +/-    1.51  0.070 / 0.160
G29     154.7          72.0               12.3 +/-    1.93      12.9 +/-    1.93  0.030 / 0.050