PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/13-05:27:40
G01     287.6          40.7                3.0 +/-    2.44       4.3 +/-    2.44  0.050 / 0.100
G03     312.3          16.6                3.9 +/-    1.79       9.4 +/-    1.79  0.070 / 0.120
G10     121.3          28.0                3.2 +/-    0.99       5.8 +/-    0.99  0.050 / 0.090
G11     260.1          26.4                7.2 +/-    2.18      13.7 +/-    2.18  0.050 / 0.080
G14     29.9           56.3                1.4 +/-    0.86       1.6 +/-    0.86  0.070 / 0.080
G22     314.1          40.7                4.0 +/-    3.25       5.7 +/-    3.25  0.050 / 0.090
G25     60.2           17.1                2.6 +/-    0.95       6.1 +/-    0.95  0.060 / 0.160
G26     156.7          14.0                6.4 +/-    1.43      16.2 +/-    1.43  0.060 / 0.150
G31     119.9          80.1                7.0 +/-    0.73       7.1 +/-    0.73  0.030 / 0.060
G32     52.0           41.7                3.5 +/-    1.19       5.0 +/-    1.19  0.040 / 0.060