PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/07-19:27:50
G10     297.2          51.4               17.7 +/-    2.69      22.0 +/-    2.69  0.060 / 0.070
G14     210.3          13.1               25.7 +/-    2.37      67.0 +/-    2.37  0.090 / 0.070
G15     45.9           27.0               14.3 +/-    2.06      26.8 +/-    2.06  0.030 / 0.030
G18     2.1            65.8               17.4 +/-    0.68      18.9 +/-    0.68  0.030 / 0.030
G20     71.3           18.8               15.9 +/-    2.20      36.1 +/-    2.20  0.080 / 0.210
G21     103.5          70.5               19.5 +/-    0.61      20.5 +/-    0.61  0.070 / 0.200
G24     98.5           26.7               20.6 +/-    1.30      38.7 +/-    1.30  0.080 / 0.110
G27     298.4          35.3               17.2 +/-    1.28      27.2 +/-    1.28  0.070 / 0.110
G32     211.4          30.4               21.6 +/-    2.28      37.5 +/-    2.28  0.090 / 0.430