PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/10-20:27:40
G10     300.8          53.1               15.1 +/-    1.65      18.4 +/-    1.65  0.060 / 0.090
G14     210.7          13.4               14.1 +/-    1.81      36.5 +/-    1.81  0.070 / 0.120
G15     46.3           30.1               13.2 +/-    1.09      23.0 +/-    1.09  0.030 / 0.030
G20     357.6          65.2               15.1 +/-    0.60      16.5 +/-    0.60  0.030 / 0.030
G21     103.6          72.2               16.4 +/-    1.12      17.2 +/-    1.12  0.100 / 0.480
G24     91.9           26.8               15.7 +/-    1.52      29.4 +/-    1.52  0.150 / 0.470
G27     299.5          34.2               13.5 +/-    1.57      21.7 +/-    1.57  0.070 / 0.110
G32     211.3          34.8               18.1 +/-    1.64      28.8 +/-    1.64  0.090 / 0.110