PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/12-04:58:10
G01     304.9          34.6                5.7 +/-    1.33       9.2 +/-    1.33  0.070 / 0.140
G10     107.9          39.6                5.1 +/-    0.78       7.4 +/-    0.78  0.070 / 0.150
G11     276.9          29.6                7.8 +/-    1.96      13.7 +/-    1.96  0.080 / 0.090
G14     5.6            65.1                3.0 +/-    1.43       3.3 +/-    1.43  0.120 / 0.120
G18     118.2          14.0                4.3 +/-    1.38      10.9 +/-    1.38  0.040 / 0.070
G22     310.3          28.0                1.8 +/-    1.95       3.2 +/-    1.95  0.040 / 0.070
G25     75.3           16.3                2.8 +/-    2.28       6.7 +/-    2.28  0.040 / 0.050
G31     165.8          67.0                5.6 +/-    1.06       6.0 +/-    1.06  0.060 / 0.060
G32     36.9           52.0                3.7 +/-    0.40       4.5 +/-    0.40  0.100 / 0.300