PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/12/04-20:28:00
G01     317.4          21.3               15.2 +/-    3.46      32.4 +/-    3.46  0.200 / 0.190
G08     253.7          11.0               13.0 +/-    2.83      35.4 +/-    2.83  0.130 / 0.200
G10     85.5           51.5               13.8 +/-    0.93      17.1 +/-    0.93  0.040 / 0.050
G11     299.6          24.8               13.6 +/-    0.97      26.7 +/-    0.97  0.040 / 0.050
G14     311.7          71.2               12.8 +/-    0.34      13.5 +/-    0.34  0.240 / 0.350
G18     105.8          24.8               14.7 +/-    1.59      28.9 +/-    1.59  0.240 / 0.350
G22     302.4          12.8               13.7 +/-    3.53      36.0 +/-    3.53  0.050 / 0.030
G25     97.1           10.3                9.0 +/-   33.82      25.1 +/-   33.82  0.060 / 0.030
G31     177.3          44.7               15.8 +/-    0.73      21.4 +/-    0.73  0.170 / 0.190
G32     12.3           65.3               12.7 +/-    0.44      13.9 +/-    0.44  0.250 / 0.270