PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/08-15:42:40
G02     68.8           24.6               14.5 +/-    2.27      28.6 +/-    2.27  0.040 / 0.040
G05     48.8           53.2               17.3 +/-    0.88      21.1 +/-    0.88  0.040 / 0.030
G12     183.8          22.5               14.3 +/-    1.38      29.7 +/-    1.38  0.140 / 0.180
G13     120.8          22.4               20.3 +/-    1.61      42.1 +/-    1.61  0.090 / 0.170
G15     157.0          21.1               18.2 +/-    1.28      39.0 +/-    1.28  0.110 / 0.150
G18     221.3          11.3               -0.7 +/-   23.84      -1.8 +/-   23.84  0.120 / 0.170
G20     217.0          70.7               18.5 +/-    0.44      19.4 +/-    0.44  0.040 / 0.030
G21     281.4          26.8               14.2 +/-    1.58      26.7 +/-    1.58  0.040 / 0.040
G25     222.2          42.8               17.8 +/-    2.00      24.7 +/-    2.00  0.120 / 0.100
G29     345.0          70.9               15.3 +/-    0.38      16.1 +/-    0.38  0.120 / 0.090