PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/23-19:42:50
G08     264.7          18.1               10.0 +/-    1.09      23.0 +/-    1.09  0.040 / 0.040
G10     62.9           57.7               11.2 +/-    1.16      13.0 +/-    1.16  0.040 / 0.040
G11     310.4          18.5                9.5 +/-    2.36      21.6 +/-    2.36  0.150 / 0.310
G14     268.5          67.0               11.1 +/-    0.81      12.0 +/-    0.81  0.160 / 0.360
G20     96.0           36.1               10.7 +/-    1.12      16.6 +/-    1.12  0.230 / 0.190
G21     154.3          12.9               11.0 +/-    1.41      28.8 +/-    1.41  0.230 / 0.220
G27     233.4          16.1               11.2 +/-    2.96      27.1 +/-    2.96  0.120 / 0.160
G31     179.9          28.9               12.0 +/-    0.97      21.4 +/-    0.97  0.130 / 0.210
G32     339.6          74.0               10.6 +/-    0.36      11.0 +/-    0.36  0.070 / 0.110