PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/13-01:27:50
G01     248.2          34.1                7.4 +/-    1.39      12.0 +/-    1.39  0.040 / 0.040
G03     315.6          45.0                5.3 +/-    1.00       7.1 +/-    1.00  0.030 / 0.040
G11     234.1          10.4                8.3 +/-    2.66      23.0 +/-    2.66  0.060 / 0.110
G14     62.6           39.5                5.0 +/-    0.75       7.3 +/-    0.75  0.060 / 0.100
G18     217.3          24.9                7.6 +/-    1.18      14.9 +/-    1.18  0.050 / 0.090
G22     301.5          67.3                5.8 +/-    0.86       6.2 +/-    0.86  0.050 / 0.090
G23     288.0          19.7                6.5 +/-    1.11      14.5 +/-    1.11  0.090 / 0.210
G26     133.7          40.2                8.8 +/-    0.96      12.7 +/-    0.96  0.090 / 0.280
G31     40.7           56.3                4.8 +/-    0.41       5.6 +/-    0.41  0.140 / 0.420
G32     79.7           20.7                4.5 +/-    1.34       9.8 +/-    1.34  0.160 / 0.420