PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/12-19:43:10
G10     278.7          44.6               11.1 +/-    1.35      15.0 +/-    1.35  0.080 / 0.160
G13     38.2           10.1               11.0 +/-    2.57      30.6 +/-    2.57  0.090 / 0.150
G15     52.6           44.4                9.9 +/-    0.36      13.5 +/-    0.36  0.030 / 0.050
G20     318.8          63.9               10.8 +/-    0.62      11.9 +/-    0.62  0.040 / 0.050
G21     39.4           76.6               11.9 +/-    0.26      12.2 +/-    0.26  0.240 / 0.610
G24     108.4          20.1               12.9 +/-    1.15      28.5 +/-    1.15  0.170 / 0.530
G27     313.8          25.1               10.4 +/-    1.38      20.3 +/-    1.38  0.090 / 0.150
G29     168.4          21.0               12.6 +/-    0.70      27.2 +/-    0.70  0.120 / 0.140
G32     205.9          19.0               11.7 +/-    1.36      26.3 +/-    1.36  0.030 / 0.060