PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/12-03:27:40
G01     286.1          40.9               -0.4 +/-    0.89      -0.6 +/-    0.89  0.080 / 0.120
G03     312.7          17.7                6.0 +/-    2.99      13.9 +/-    2.99  0.070 / 0.090
G10     122.2          27.0                6.5 +/-    0.95      12.2 +/-    0.95  0.040 / 0.070
G11     259.5          25.8                7.1 +/-    2.44      13.7 +/-    2.44  0.060 / 0.080
G14     31.4           55.6                5.1 +/-    0.73       6.1 +/-    0.73  0.040 / 0.070
G22     314.1          41.0                6.9 +/-    0.81       9.9 +/-    0.81  0.060 / 0.060
G25     60.2           17.5                6.7 +/-    1.53      15.8 +/-    1.53  0.030 / 0.020
G26     157.1          14.4                6.6 +/-    1.54      16.5 +/-    1.54  0.020 / 0.020
G31     121.1          80.7                7.5 +/-    0.58       7.6 +/-    0.58  0.070 / 0.120
G32     52.2           41.9                4.4 +/-    0.41       6.2 +/-    0.41  0.080 / 0.100