PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/12-23:58:10
G08     309.2          19.4               15.3 +/-    2.18      34.1 +/-    2.18  0.210 / 0.340
G10     328.2          59.2               14.2 +/-    1.44      16.2 +/-    1.44  0.070 / 0.100
G14     217.6          31.5               18.7 +/-    3.49      31.8 +/-    3.49  0.050 / 0.060
G15     46.5           12.3               11.5 +/-    1.97      30.6 +/-    1.97  0.050 / 0.050
G18     36.3           60.1               15.1 +/-    0.66      17.1 +/-    0.66  0.050 / 0.100
G21     132.8          56.8               16.6 +/-    0.95      19.4 +/-    0.95  0.050 / 0.070
G24     76.8           30.6               15.4 +/-    0.60      26.7 +/-    0.60  0.030 / 0.050
G27     274.3          37.8               16.5 +/-    1.23      24.9 +/-    1.23  0.040 / 0.060
G32     222.7          48.6               16.5 +/-    1.06      21.2 +/-    1.06  0.070 / 0.190