PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/05-15:28:10
G10     261.8          35.4               11.1 +/-    0.63      17.5 +/-    0.63  0.150 / 0.400
G13     44.5           21.7                7.4 +/-    2.51      15.7 +/-    2.51  0.130 / 0.350
G15     67.0           53.7                7.9 +/-    0.68       9.5 +/-    0.68  0.180 / 0.210
G16     285.2          13.5                5.8 +/-    1.69      15.1 +/-    1.69  0.220 / 0.250
G20     288.4          57.9                9.8 +/-    1.70      11.3 +/-    1.70  0.040 / 0.040
G21     359.1          69.9                8.7 +/-    0.22       9.2 +/-    0.22  0.030 / 0.030
G24     120.3          11.8               11.1 +/-    2.48      29.9 +/-    2.48  0.110 / 0.170
G27     321.5          12.8                2.8 +/-    8.91       7.5 +/-    8.91  0.140 / 0.320
G29     166.2          35.5                9.7 +/-    0.61      15.2 +/-    0.61  0.050 / 0.060