PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/11-03:57:30
G08     295.9          22.6               11.1 +/-    1.45      22.9 +/-    1.45  0.080 / 0.150
G10     2.6            62.9                8.1 +/-    0.61       8.9 +/-    0.61  0.070 / 0.150
G14     227.8          41.7               11.8 +/-    1.62      16.7 +/-    1.62  0.050 / 0.100
G20     44.7           61.5                8.4 +/-    0.49       9.4 +/-    0.49  0.050 / 0.110
G21     145.5          43.5               10.1 +/-    0.98      13.9 +/-    0.98  0.060 / 0.120
G24     57.2           25.8                7.5 +/-    1.05      14.5 +/-    1.05  0.060 / 0.120
G27     256.8          32.7               10.6 +/-    1.52      17.5 +/-    1.52  0.040 / 0.080
G32     243.2          67.9                9.1 +/-    0.74       9.8 +/-    0.74  0.040 / 0.080