PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/18-01:27:50
G10     272.0          41.0               10.6 +/-    1.33      15.2 +/-    1.33  0.120 / 0.110
G13     40.0           14.7               10.0 +/-    2.82      24.9 +/-    2.82  0.130 / 0.110
G15     56.2           47.4               10.3 +/-    0.78      13.4 +/-    0.78  0.040 / 0.030
G20     285.7          50.4               10.5 +/-    0.80      13.1 +/-    0.80  0.040 / 0.040
G21     12.0           74.1               11.2 +/-    0.68      11.6 +/-    0.68  0.120 / 0.220
G24     115.4          16.9               12.2 +/-    1.21      29.0 +/-    1.21  0.110 / 0.200
G27     316.4          22.2                9.6 +/-    1.96      19.9 +/-    1.96  0.210 / 0.460
G29     168.8          27.5               11.9 +/-    1.43      22.0 +/-    1.43  0.110 / 0.260
G32     204.5          14.9               13.6 +/-    3.54      33.9 +/-    3.54  0.040 / 0.040