PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/22-20:42:40
G08     320.2          11.5                9.2 +/-   21.68      24.8 +/-   21.68  0.060 / 0.080
G10     303.6          53.4               14.8 +/-    0.86      17.9 +/-    0.86  0.060 / 0.090
G14     211.5          17.3               17.3 +/-    3.52      40.7 +/-    3.52  0.140 / 0.580
G15     45.5           23.6               11.7 +/-    1.14      23.7 +/-    1.14  0.130 / 0.390
G18     10.5           64.8               13.5 +/-    0.71      14.8 +/-    0.71  0.040 / 0.040
G20     74.6           15.5               12.6 +/-    2.48      30.9 +/-    2.48  0.040 / 0.050
G21     112.3          68.1               15.8 +/-    1.26      16.9 +/-    1.26  0.070 / 0.140
G24     93.8           28.3               14.8 +/-    0.91      26.9 +/-    0.91  0.080 / 0.140
G27     293.3          36.7               15.7 +/-    1.53      24.2 +/-    1.53  0.090 / 0.090
G32     213.5          34.1               18.9 +/-    1.08      30.6 +/-    1.08  0.090 / 0.090