PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/06-04:27:40
G10     276.2          43.1                9.8 +/-    1.72      13.6 +/-    1.72  0.050 / 0.030
G13     38.9           12.0                5.1 +/-    3.76      13.7 +/-    3.76  0.050 / 0.030
G15     52.5           42.8                6.7 +/-    1.06       9.4 +/-    1.06  0.080 / 0.160
G20     336.5          66.8                7.9 +/-    0.44       8.5 +/-    0.44  0.080 / 0.120
G21     25.7           76.0                9.3 +/-    0.64       9.5 +/-    0.64  0.090 / 0.260
G24     112.8          18.9                6.7 +/-    1.11      15.2 +/-    1.11  0.440 / 0.510
G27     314.1          25.1                8.1 +/-    2.28      15.8 +/-    2.28  0.110 / 0.150
G29     168.9          23.4                8.7 +/-    1.99      17.7 +/-    1.99  0.090 / 0.140
G32     205.3          18.3               10.7 +/-    2.89      24.4 +/-    2.89  0.040 / 0.040