PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/07-04:58:10
G10     297.1          51.6               10.8 +/-    1.35      13.3 +/-    1.35  0.040 / 0.050
G15     46.2           29.0                6.8 +/-    0.79      12.1 +/-    0.79  0.040 / 0.040
G20     13.5           64.0               10.0 +/-    0.36      10.9 +/-    0.36  0.050 / 0.090
G21     94.5           74.8               10.3 +/-    0.32      10.6 +/-    0.32  0.060 / 0.100
G24     97.1           26.4               11.0 +/-    0.53      20.9 +/-    0.53  0.070 / 0.140
G27     300.3          34.3               11.0 +/-    1.89      17.7 +/-    1.89  0.070 / 0.150
G32     210.2          33.7               12.5 +/-    1.95      20.3 +/-    1.95  0.050 / 0.120