PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/05-17:27:50
G01     97.6           29.8               12.2 +/-    1.12      21.4 +/-    1.12  0.120 / 0.430
G07     118.8          51.4               12.5 +/-    0.37      15.5 +/-    0.37  0.170 / 0.420
G08     41.9           14.1               10.2 +/-    2.84      26.1 +/-    2.84  0.020 / 0.050
G11     77.2           42.1               12.1 +/-    1.01      17.1 +/-    1.01  0.030 / 0.040
G13     301.6          33.5               10.8 +/-    2.49      17.6 +/-    2.49  0.030 / 0.030
G17     210.8          44.9               15.0 +/-    1.10      20.3 +/-    1.10  0.030 / 0.030
G18     70.8           24.8               12.5 +/-    1.17      24.5 +/-    1.17  0.090 / 0.150
G19     212.2          19.4               13.5 +/-    2.94      30.1 +/-    2.94  0.080 / 0.160
G28     336.3          61.9               11.4 +/-    0.37      12.7 +/-    0.37  0.070 / 0.080
G30     75.6           79.2               12.9 +/-    0.64      13.1 +/-    0.64  0.070 / 0.100