PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/25-16:43:00
G02     201.5          22.3               10.6 +/-    2.14      22.2 +/-    2.14  0.200 / 0.230
G06     166.2          59.2                9.9 +/-    0.91      11.3 +/-    0.91  0.150 / 0.260
G12     302.6          10.8               -4.1 +/-   15.87     -11.1 +/-   15.87  0.110 / 0.100
G13     224.6          10.8               10.5 +/-    6.69      28.8 +/-    6.69  0.090 / 0.120
G17     26.0           56.9                8.2 +/-    0.93       9.6 +/-    0.93  0.340 / 0.610
G19     323.7          70.0                7.7 +/-    0.58       8.2 +/-    0.58  0.330 / 0.560
G24     306.7          33.1                6.3 +/-    1.92      10.4 +/-    1.92  0.150 / 0.220
G28     91.6           37.8                9.8 +/-    1.28      14.8 +/-    1.28  0.180 / 0.240
G30     157.9          12.4                9.2 +/-    1.83      24.5 +/-    1.83  0.050 / 0.040