PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/08-23:12:40
G08     282.0          22.8               14.6 +/-    1.70      30.1 +/-    1.70  0.020 / 0.030
G10     26.6           63.0               12.3 +/-    1.01      13.7 +/-    1.01  0.030 / 0.040
G14     240.7          56.0               14.6 +/-    0.89      17.2 +/-    0.89  0.070 / 0.140
G18     75.2           45.8               12.0 +/-    0.80      16.0 +/-    0.80  0.070 / 0.140
G21     149.7          28.7               13.6 +/-    1.71      24.4 +/-    1.71  0.070 / 0.180
G24     49.3           21.9               10.5 +/-    1.64      22.1 +/-    1.64  0.060 / 0.160
G27     243.3          25.9               17.2 +/-    2.44      32.9 +/-    2.44  0.110 / 0.120
G31     183.7          12.3               19.2 +/-    4.29      50.9 +/-    4.29  0.090 / 0.130
G32     265.3          71.2               12.7 +/-    0.51      13.3 +/-    0.51  0.030 / 0.070