PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/14-20:28:00
G08     316.9          14.8               10.0 +/-    0.92      25.0 +/-    0.92  0.050 / 0.080
G10     312.7          56.3               12.1 +/-    1.18      14.2 +/-    1.18  0.050 / 0.080
G14     213.1          20.3               13.3 +/-    3.09      29.1 +/-    3.09  0.030 / 0.050
G15     45.8           23.4                8.7 +/-    0.78      17.6 +/-    0.78  0.030 / 0.040
G20     14.9           64.0               11.8 +/-    0.33      12.9 +/-    0.33  0.150 / 0.330
G21     119.9          66.4               12.9 +/-    1.34      13.9 +/-    1.34  0.120 / 0.260
G24     83.4           28.4               10.7 +/-    0.38      19.3 +/-    0.38  0.100 / 0.340
G27     290.9          36.5               12.4 +/-    1.18      19.2 +/-    1.18  0.190 / 0.430
G32     215.1          42.0               15.0 +/-    1.67      21.1 +/-    1.67  0.060 / 0.130