PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/29-21:58:00
G01     101.7          28.2               12.3 +/-    0.99      22.5 +/-    0.99  0.220 / 0.240
G07     114.1          54.7               12.5 +/-    0.74      15.0 +/-    0.74  0.180 / 0.190
G08     42.1           19.8                9.2 +/-    1.39      20.3 +/-    1.39  0.080 / 0.120
G11     84.7           43.4               13.0 +/-    0.95      17.9 +/-    0.95  0.060 / 0.110
G13     305.6          31.2               11.0 +/-    1.32      18.7 +/-    1.32  0.030 / 0.020
G17     209.2          39.6               13.8 +/-    0.79      20.2 +/-    0.79  0.030 / 0.020
G18     75.3           24.9               11.9 +/-    1.91      23.4 +/-    1.91  0.090 / 0.180
G19     210.7          17.3               -1.0 +/-   11.66      -2.4 +/-   11.66  0.020 / 0.040
G28     329.5          61.7               10.1 +/-    0.42      11.3 +/-    0.42  0.030 / 0.040
G30     65.6           78.6               11.1 +/-    0.89      11.3 +/-    0.89  0.050 / 0.050