PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/07-00:57:40
G01     309.7          31.1               11.2 +/-    2.92      19.3 +/-    2.92  0.070 / 0.120
G10     102.1          43.3               11.6 +/-    0.80      16.1 +/-    0.80  0.080 / 0.120
G11     284.4          28.9               13.1 +/-    1.84      23.5 +/-    1.84  0.060 / 0.160
G14     352.8          67.9               10.3 +/-    0.75      11.1 +/-    0.75  0.070 / 0.140
G18     115.0          16.7                9.9 +/-    1.24      23.7 +/-    1.24  0.020 / 0.040
G22     308.1          22.4                9.2 +/-    1.24      19.1 +/-    1.24  0.020 / 0.040
G25     83.2           15.3                9.5 +/-    1.47      23.5 +/-    1.47  0.040 / 0.040
G31     174.4          58.6               14.4 +/-    0.57      16.6 +/-    0.57  0.040 / 0.060
G32     27.6           57.7                9.8 +/-    1.10      11.4 +/-    1.10  0.060 / 0.180