PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/08-03:12:40
G01     303.0          35.7               13.0 +/-    2.27      20.4 +/-    2.27  0.080 / 0.120
G10     109.9          38.0               15.7 +/-    0.74      23.6 +/-    0.74  0.110 / 0.140
G11     275.2          29.2               15.0 +/-    2.10      26.8 +/-    2.10  0.040 / 0.050
G14     9.2            64.0               14.4 +/-    0.61      15.8 +/-    0.61  0.060 / 0.050
G18     119.7          11.9               14.7 +/-    1.91      39.2 +/-    1.91  0.020 / 0.020
G22     310.9          28.8                7.4 +/-    1.28      13.3 +/-    1.28  0.030 / 0.030
G25     74.6           16.9                8.0 +/-    1.54      19.0 +/-    1.54  0.050 / 0.070
G31     166.2          68.3               16.5 +/-    0.49      17.6 +/-    0.49  0.050 / 0.060
G32     37.9           51.5               12.2 +/-    1.06      15.1 +/-    1.06  0.090 / 0.150