PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/29-21:12:50
G01     121.0          16.5               16.3 +/-    3.29      39.0 +/-    3.29  0.050 / 0.050
G07     73.7           67.9               13.0 +/-    0.45      13.9 +/-    0.45  0.040 / 0.060
G08     47.5           37.4               11.3 +/-    0.62      17.2 +/-    0.62  0.140 / 0.260
G09     178.0          29.1               18.2 +/-    1.45      32.5 +/-    1.45  0.170 / 0.220
G11     112.6          38.9               15.0 +/-    1.16      22.3 +/-    1.16  0.030 / 0.030
G13     318.9          17.2               12.8 +/-    1.53      30.1 +/-    1.53  0.030 / 0.030
G17     202.4          19.1               19.6 +/-    1.36      44.2 +/-    1.36  0.100 / 0.120
G18     97.1           20.0               13.6 +/-    1.56      29.9 +/-    1.56  0.090 / 0.120
G28     289.6          56.8               12.3 +/-    1.45      14.3 +/-    1.45  0.030 / 0.030
G30     348.8          68.6               12.2 +/-    0.54      13.0 +/-    0.54  0.030 / 0.020