PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/02-20:58:10
G05     51.2           12.2                6.8 +/-    2.61      18.1 +/-    2.61  0.100 / 0.250
G10     240.6          17.6               14.8 +/-    2.45      34.4 +/-    2.45  0.140 / 0.140
G13     67.0           35.0               10.5 +/-    1.17      16.6 +/-    1.17  0.100 / 0.420
G15     120.3          56.0               10.5 +/-    0.54      12.4 +/-    0.54  0.090 / 0.350
G16     306.4          15.3                8.5 +/-    2.51      20.9 +/-    2.51  0.030 / 0.040
G20     243.6          3.5                11.4 +/-    2.72      35.1 +/-    2.72  0.030 / 0.030
G21     318.5          50.5               10.0 +/-    0.93      12.6 +/-    0.93  0.060 / 0.070
G26     278.8          19.9               11.4 +/-    1.94      25.3 +/-    1.94  0.040 / 0.050
G29     160.6          66.1               11.6 +/-    0.40      12.5 +/-    0.40  0.080 / 0.100