PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/24-15:58:00
G05     48.1           19.4                6.9 +/-    1.39      15.4 +/-    1.39  0.070 / 0.130
G13     79.7           37.3                9.2 +/-    1.27      14.0 +/-    1.27  0.080 / 0.110
G15     124.9          51.1                9.7 +/-    0.58      12.1 +/-    0.58  0.050 / 0.050
G18     244.3          42.2               10.7 +/-    1.34      15.0 +/-    1.34  0.040 / 0.050
G20     22.5           70.1                8.5 +/-    0.44       9.0 +/-    0.44  0.090 / 0.190
G21     314.9          49.3                8.0 +/-    0.65      10.2 +/-    0.65  0.110 / 0.160
G25     199.8          11.7                8.3 +/-    1.86      22.2 +/-    1.86  0.050 / 0.030
G26     292.7          19.4                6.5 +/-    1.51      14.5 +/-    1.51  0.040 / 0.030
G29     150.8          68.7               10.0 +/-    0.42      10.7 +/-    0.42  0.070 / 0.060