PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/15-20:28:10
G08     286.9          23.0               11.2 +/-    0.91      23.0 +/-    0.91  0.090 / 0.100
G10     18.1           63.2               12.5 +/-    0.59      13.9 +/-    0.59  0.090 / 0.120
G14     235.8          52.1               15.5 +/-    2.22      19.0 +/-    2.22  0.100 / 0.140
G18     71.5           47.2               11.7 +/-    1.06      15.3 +/-    1.06  0.090 / 0.160
G24     52.3           23.9               10.4 +/-    2.28      20.7 +/-    2.28  0.030 / 0.020
G27     247.1          28.3               13.2 +/-    1.64      23.9 +/-    1.64  0.030 / 0.030
G32     257.0          70.0               12.9 +/-    0.50      13.6 +/-    0.50  0.080 / 0.070