PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/22-18:43:00
G02     233.7          71.5               11.0 +/-    0.35      11.6 +/-    0.35  0.210 / 0.250
G05     172.9          13.7               16.1 +/-    3.65      41.2 +/-    3.65  0.110 / 0.200
G06     41.7           59.3               11.1 +/-    0.49      12.7 +/-    0.49  0.080 / 0.120
G12     322.5          52.8                9.9 +/-    0.63      12.1 +/-    0.63  0.100 / 0.140
G17     68.8           23.8               10.2 +/-    1.81      20.4 +/-    1.81  0.030 / 0.040
G19     51.7           42.8               10.0 +/-    1.30      14.0 +/-    1.30  0.050 / 0.040
G24     246.7          36.2               13.3 +/-    1.78      20.6 +/-    1.78  0.150 / 0.200
G25     316.1          10.3              -16.3 +/-   16.26     -45.2 +/-   16.26  0.030 / 0.040