PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/24-22:43:00
G02     233.5          73.3               12.1 +/-    0.35      12.6 +/-    0.35  0.030 / 0.040
G05     172.2          14.0               21.2 +/-    3.22      54.1 +/-    3.22  0.030 / 0.050
G06     41.9           60.9               11.7 +/-    0.46      13.2 +/-    0.46  0.060 / 0.110
G12     321.6          49.4               11.4 +/-    0.73      14.5 +/-    0.73  0.060 / 0.090
G17     66.8           26.6                9.1 +/-    2.02      17.2 +/-    2.02  0.170 / 0.170
G19     52.3           42.1                9.9 +/-    1.36      14.0 +/-    1.36  0.120 / 0.200
G24     248.5          36.6               15.1 +/-    1.54      23.3 +/-    1.54  0.030 / 0.030