PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/23-17:58:10
G08     311.7          18.5                8.0 +/-    1.19      18.2 +/-    1.19  0.140 / 0.320
G10     324.8          58.9                9.8 +/-    0.83      11.2 +/-    0.83  0.080 / 0.290
G14     215.7          27.1                9.4 +/-    2.16      17.6 +/-    2.16  0.060 / 0.090
G15     46.2           15.9                6.9 +/-    2.29      16.8 +/-    2.29  0.070 / 0.090
G20     29.3           62.0               11.7 +/-    1.28      13.1 +/-    1.28  0.030 / 0.040
G21     129.8          58.9               11.1 +/-    0.24      12.8 +/-    0.24  0.030 / 0.040
G24     74.5           28.4                9.7 +/-    1.28      17.5 +/-    1.28  0.050 / 0.070
G27     283.1          37.0               11.2 +/-    1.13      17.2 +/-    1.13  0.050 / 0.070
G32     219.6          47.7               10.3 +/-    1.71      13.4 +/-    1.71  0.120 / 0.180