PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/29-20:13:00
G08     320.6          11.0                0.6 +/-   40.14       1.6 +/-   40.14  0.060 / 0.060
G10     302.7          53.1               14.6 +/-    0.97      17.7 +/-    0.97  0.060 / 0.070
G14     211.3          16.6               16.8 +/-    3.71      40.1 +/-    3.71  0.150 / 0.510
G15     45.6           24.0               12.1 +/-    1.15      24.2 +/-    1.15  0.140 / 0.500
G18     9.6            64.9               12.5 +/-    0.56      13.7 +/-    0.56  0.070 / 0.130
G20     74.1           16.1               12.8 +/-    2.15      31.1 +/-    2.15  0.070 / 0.120
G21     111.3          68.2               15.6 +/-    0.36      16.7 +/-    0.36  0.030 / 0.050
G24     94.5           28.1               16.4 +/-    1.11      29.9 +/-    1.11  0.030 / 0.050
G27     294.1          36.5               14.9 +/-    1.13      23.0 +/-    1.13  0.090 / 0.270
G32     213.2          33.7               19.0 +/-    0.95      30.9 +/-    0.95  0.090 / 0.280