PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/03-13:27:50
G05     48.2           18.9                2.5 +/-    0.49       5.7 +/-    0.49  0.060 / 0.130
G10     235.8          14.3                4.1 +/-    2.18      10.5 +/-    2.18  0.060 / 0.130
G13     74.6           35.1                5.0 +/-    0.76       7.9 +/-    0.76  0.140 / 0.300
G15     118.7          52.7                6.1 +/-    0.70       7.4 +/-    0.70  0.130 / 0.290
G16     313.5          12.9                2.5 +/-    1.41       6.5 +/-    1.41  0.220 / 0.370
G20     249.5          40.0                7.2 +/-    0.74      10.5 +/-    0.74  0.240 / 0.280
G21     314.4          47.3                3.4 +/-    1.16       4.4 +/-    1.16  0.030 / 0.030
G25     199.2          11.5                2.6 +/-    3.02       7.1 +/-    3.02  0.030 / 0.030
G26     288.2          19.9                5.1 +/-    1.23      11.3 +/-    1.23  0.040 / 0.080
G29     153.0          73.9                9.5 +/-    1.02       9.8 +/-    1.02  0.040 / 0.060