PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/12-02:57:30
G08     317.9          13.6                7.0 +/-    1.05      18.1 +/-    1.05  0.050 / 0.090
G10     312.9          56.3               11.5 +/-    0.73      13.6 +/-    0.73  0.070 / 0.070
G14     213.7          18.5               14.2 +/-    1.94      32.6 +/-    1.94  0.150 / 0.580
G15     45.7           21.4                7.2 +/-    1.03      15.2 +/-    1.03  0.160 / 0.460
G20     345.5          64.5               17.1 +/-    0.46      18.7 +/-    0.46  0.030 / 0.040
G21     119.7          67.7               11.3 +/-    0.72      12.1 +/-    0.72  0.040 / 0.040
G24     85.2           29.1                9.1 +/-    0.54      16.3 +/-    0.54  0.030 / 0.050
G27     288.8          37.2               10.2 +/-    0.93      15.5 +/-    0.93  0.030 / 0.050
G32     215.3          43.7               15.3 +/-    0.97      21.0 +/-    0.97  0.070 / 0.120