PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/14-21:13:10
G08     320.5          11.1               -2.5 +/-   38.13      -6.7 +/-   38.13  0.030 / 0.040
G10     302.3          53.0               12.4 +/-    0.69      15.1 +/-    0.69  0.030 / 0.040
G14     211.2          16.7               19.2 +/-    3.92      45.8 +/-    3.92  0.050 / 0.100
G15     45.6           24.5               12.2 +/-    0.80      24.1 +/-    0.80  0.070 / 0.090
G18     8.4            65.1               12.4 +/-    0.56      13.5 +/-    0.56  0.060 / 0.140
G20     74.1           15.8               12.8 +/-    2.39      31.1 +/-    2.39  0.070 / 0.150
G21     110.3          69.1               15.6 +/-    0.64      16.6 +/-    0.64  0.130 / 0.580
G24     94.7           28.0               15.0 +/-    0.95      27.5 +/-    0.95  0.140 / 0.610
G27     294.2          36.5               14.5 +/-    1.30      22.4 +/-    1.30  0.100 / 0.250
G32     213.2          33.0               16.5 +/-    1.32      27.2 +/-    1.32  0.080 / 0.240