PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/16-23:12:40
G01     90.3           31.8               10.7 +/-    1.08      18.0 +/-    1.08  0.080 / 0.100
G07     125.3          46.0               12.9 +/-    0.63      17.1 +/-    0.63  0.090 / 0.120
G08     42.6           10.8                9.6 +/-    1.85      26.4 +/-    1.85  0.030 / 0.050
G11     71.7           41.4                9.8 +/-    0.97      14.0 +/-    0.97  0.030 / 0.060
G13     295.3          35.5               10.1 +/-    2.40      15.8 +/-    2.40  0.050 / 0.050
G17     215.1          50.4               12.1 +/-    0.92      15.1 +/-    0.92  0.050 / 0.050
G19     214.6          26.9               11.8 +/-    1.46      22.1 +/-    1.46  0.030 / 0.050
G28     350.1          61.7                9.2 +/-    0.54      10.3 +/-    0.54  0.030 / 0.050
G30     108.6          73.0               11.9 +/-    1.04      12.3 +/-    1.04  0.080 / 0.090