PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/27-16:12:40
G10     267.0          38.6                8.4 +/-    0.95      12.4 +/-    0.95  0.200 / 0.430
G13     41.8           18.0                7.1 +/-    3.13      16.4 +/-    3.13  0.210 / 0.350
G15     60.7           50.6                7.4 +/-    0.61       9.2 +/-    0.61  0.170 / 0.270
G16     280.2          12.1                6.8 +/-    2.20      18.1 +/-    2.20  0.160 / 0.280
G20     297.6          60.3                7.9 +/-    1.08       9.0 +/-    1.08  0.040 / 0.030
G21     10.5           72.6                8.0 +/-    0.51       8.3 +/-    0.51  0.040 / 0.030
G24     116.3          14.6                9.9 +/-    1.52      24.7 +/-    1.52  0.130 / 0.240
G27     319.6          16.9                7.3 +/-    2.88      17.2 +/-    2.88  0.150 / 0.210
G29     167.1          30.4                8.2 +/-    0.96      14.3 +/-    0.96  0.060 / 0.060