PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/22-16:42:50
G10     271.8          41.3                8.6 +/-    0.95      12.3 +/-    0.95  0.110 / 0.270
G13     40.0           14.7                3.2 +/-    3.18       8.1 +/-    3.18  0.100 / 0.320
G15     56.4           47.5                7.3 +/-    0.63       9.5 +/-    0.63  0.040 / 0.030
G16     276.0          10.7                6.5 +/-    2.15      17.8 +/-    2.15  0.040 / 0.030
G20     306.2          62.1                8.3 +/-    0.69       9.3 +/-    0.69  0.110 / 0.190
G21     23.1           74.6                8.7 +/-    0.91       9.0 +/-    0.91  0.140 / 0.210
G24     112.7          17.0                9.7 +/-    1.64      22.9 +/-    1.64  0.100 / 0.130
G27     317.6          20.3                5.4 +/-    2.33      11.7 +/-    2.33  0.080 / 0.110
G29     167.6          26.0                9.4 +/-    1.10      18.0 +/-    1.10  0.130 / 0.270
G32     205.0          12.7               10.1 +/-    1.96      26.5 +/-    1.96  0.330 / 0.270