PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/06-21:27:50
G05     48.5           20.6               15.0 +/-    0.94      32.5 +/-    0.94  0.050 / 0.080
G10     237.0          12.3               22.0 +/-    5.02      58.4 +/-    5.02  0.050 / 0.070
G13     76.3           37.5               19.6 +/-    0.55      29.7 +/-    0.55  0.150 / 0.300
G15     123.6          52.7               21.4 +/-    0.97      26.2 +/-    0.97  0.120 / 0.260
G16     315.7          11.0               15.8 +/-    4.30      43.2 +/-    4.30  0.150 / 0.560
G18     246.5          42.8               21.8 +/-    1.12      30.3 +/-    1.12  0.190 / 0.640
G20     29.6           64.8               19.1 +/-    0.54      20.9 +/-    0.54  0.060 / 0.150
G21     314.6          48.5               18.9 +/-    0.73      24.3 +/-    0.73  0.060 / 0.150
G26     289.5          19.4               18.5 +/-    1.88      41.4 +/-    1.88  0.050 / 0.100
G29     154.7          67.2               19.6 +/-    1.15      21.0 +/-    1.15  0.040 / 0.090