PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/17-11:42:50
G08     271.5          20.4                6.3 +/-    1.49      13.8 +/-    1.49  0.090 / 0.160
G10     52.1           59.6                4.9 +/-    0.61       5.6 +/-    0.61  0.100 / 0.180
G14     256.0          63.8                5.8 +/-    0.49       6.3 +/-    0.49  0.020 / 0.020
G18     314.1          29.9                4.3 +/-    1.20       7.5 +/-    1.20  0.020 / 0.020
G20     90.1           40.0                4.3 +/-    0.92       6.2 +/-    0.92  0.050 / 0.040
G21     153.0          17.7                4.8 +/-    1.50      11.1 +/-    1.50  0.050 / 0.040
G24     41.2           12.2                2.9 +/-    2.49       7.7 +/-    2.49  0.070 / 0.120
G27     237.9          20.2                7.1 +/-    1.76      15.5 +/-    1.76  0.110 / 0.120
G31     180.8          23.1                5.7 +/-    0.96      11.7 +/-    0.96  0.030 / 0.020
G32     298.7          74.6                5.6 +/-    0.43       5.8 +/-    0.43  0.030 / 0.030