PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/07/26-05:27:50
G01     317.1          21.6               -8.3 +/-   10.34     -17.5 +/-   10.34  0.030 / 0.020
G08     252.0          10.9                2.3 +/-    7.75       6.2 +/-    7.75  0.040 / 0.010
G10     85.2           51.8                4.1 +/-    0.66       5.1 +/-    0.66  0.130 / 0.260
G11     297.0          27.0                4.1 +/-    1.80       7.7 +/-    1.80  0.110 / 0.310
G14     316.5          71.6               28.4 +/-   13.72      29.8 +/-   13.72  0.130 / 0.410
G18     104.5          27.8              -48.0 +/-   54.95     -87.9 +/-   54.95  0.110 / 0.300
G22     302.7          14.6                3.8 +/-    2.81       9.5 +/-    2.81  0.050 / 0.060
G25     93.0           10.2              -14.4 +/-   24.67     -39.9 +/-   24.67  0.060 / 0.050
G31     174.9          46.8               31.9 +/-   18.14      42.0 +/-   18.14  0.110 / 0.060
G32     13.4           64.9              -15.0 +/-   10.03     -16.4 +/-   10.03  0.080 / 0.070