PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/01/13-14:58:10
G10     300.9          52.6                6.0 +/-    1.23       7.4 +/-    1.23  0.050 / 0.050
G14     211.2          13.9                5.0 +/-    2.52      12.7 +/-    2.52  0.070 / 0.060
G15     45.6           24.3                6.3 +/-    2.19      12.5 +/-    2.19  0.070 / 0.110
G18     10.3           64.8                6.2 +/-    0.73       6.8 +/-    0.73  0.090 / 0.100
G20     72.0           19.7                5.9 +/-    1.05      13.1 +/-    1.05  0.080 / 0.200
G21     109.4          68.5                8.0 +/-    0.93       8.5 +/-    0.93  0.090 / 0.170
G24     95.6           27.6                7.6 +/-    1.70      14.0 +/-    1.70  0.030 / 0.040
G27     296.1          36.0                6.0 +/-    2.30       9.4 +/-    2.30  0.030 / 0.030
G32     212.1          34.7                9.5 +/-    2.24      15.2 +/-    2.24  0.200 / 0.140