PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/15-21:12:40
G08     319.7          12.0                7.4 +/-    2.08      19.8 +/-    2.08  0.050 / 0.080
G10     304.5          53.7               10.2 +/-    0.95      12.3 +/-    0.95  0.060 / 0.080
G14     211.7          18.0               15.1 +/-    3.12      34.8 +/-    3.12  0.100 / 0.380
G15     45.5           23.2                8.3 +/-    0.65      16.9 +/-    0.65  0.120 / 0.290
G18     11.4           64.7                9.8 +/-    0.50      10.7 +/-    0.50  0.030 / 0.050
G20     75.1           14.9                8.6 +/-    1.94      21.5 +/-    1.94  0.030 / 0.040
G21     113.3          67.9               11.9 +/-    0.67      12.8 +/-    0.67  0.090 / 0.140
G24     93.2           28.4               11.7 +/-    1.55      21.1 +/-    1.55  0.090 / 0.140
G27     292.6          36.9               11.6 +/-    1.18      17.8 +/-    1.18  0.080 / 0.110
G32     213.8          34.4               15.8 +/-    1.08      25.4 +/-    1.08  0.080 / 0.100