PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/06-22:12:40
G10     252.0          27.0               17.5 +/-    1.61      32.7 +/-    1.61  0.080 / 0.170
G13     53.3           30.6               17.2 +/-    1.96      29.8 +/-    1.96  0.070 / 0.120
G15     84.2           57.4               19.2 +/-    1.03      22.3 +/-    1.03  0.040 / 0.050
G16     296.9          14.1               15.0 +/-    0.99      38.1 +/-    0.99  0.040 / 0.050
G18     271.5          56.8               16.2 +/-    1.30      19.0 +/-    1.30  0.100 / 0.310
G20     44.3           46.5               16.3 +/-    0.47      21.5 +/-    0.47  0.090 / 0.250
G21     337.0          62.1               17.7 +/-    0.45      19.8 +/-    0.45  0.070 / 0.060
G26     269.4          14.7               17.2 +/-    2.28      43.2 +/-    2.28  0.060 / 0.060
G29     163.7          44.3               18.0 +/-    0.49      24.5 +/-    0.49  0.050 / 0.050