PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/29-01:58:00
G08     282.9          23.1               10.9 +/-    1.28      22.2 +/-    1.28  0.030 / 0.030
G10     23.6           63.1                7.7 +/-    0.85       8.5 +/-    0.85  0.030 / 0.020
G14     239.3          55.4               10.8 +/-    0.91      12.8 +/-    0.91  0.050 / 0.140
G18     72.8           47.4                8.2 +/-    0.54      10.7 +/-    0.54  0.050 / 0.150
G21     149.5          31.4               12.9 +/-    0.55      21.9 +/-    0.55  0.070 / 0.160
G24     50.3           22.6                7.2 +/-    0.75      14.9 +/-    0.75  0.070 / 0.150
G27     244.4          26.6               14.4 +/-    1.70      27.0 +/-    1.70  0.090 / 0.130
G31     182.7          12.8               15.2 +/-    1.28      39.8 +/-    1.28  0.090 / 0.140
G32     264.2          71.7                9.4 +/-    0.62       9.8 +/-    0.62  0.040 / 0.090