PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/04-18:27:50
G01     66.7           32.4               12.0 +/-    0.77      20.0 +/-    0.77  0.080 / 0.420
G07     139.4          28.1               12.9 +/-    2.09      23.4 +/-    2.09  0.080 / 0.420
G11     51.7           28.7               10.0 +/-    0.95      18.0 +/-    0.95  0.050 / 0.120
G13     270.0          36.9               14.5 +/-    1.36      22.2 +/-    1.36  0.050 / 0.140
G15     300.4          15.4                9.6 +/-    1.15      23.7 +/-    1.15  0.030 / 0.040
G17     239.1          69.7               13.9 +/-    1.07      14.7 +/-    1.07  0.040 / 0.050
G18     46.5           16.5               11.0 +/-    2.11      26.4 +/-    2.11  0.030 / 0.050
G19     226.9          43.3               14.8 +/-    1.76      20.5 +/-    1.76  0.030 / 0.050
G28     25.9           58.4               12.0 +/-    0.83      13.8 +/-    0.83  0.030 / 0.050
G30     138.9          58.1               13.7 +/-    0.70      15.8 +/-    0.70  0.030 / 0.060