PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/14-12:57:30
G05     50.8           12.9                1.3 +/-    2.13       3.4 +/-    2.13  0.100 / 0.210
G10     240.4          19.4                4.2 +/-    1.94       9.3 +/-    1.94  0.190 / 0.160
G13     66.3           33.9                7.0 +/-    1.39      11.4 +/-    1.39  0.110 / 0.440
G15     105.8          55.5                7.6 +/-    0.57       9.0 +/-    0.57  0.140 / 0.360
G16     307.5          14.8                1.1 +/-    4.72       2.8 +/-    4.72  0.110 / 0.240
G20     256.7          45.3                6.6 +/-    2.92       8.9 +/-    2.92  0.100 / 0.230
G21     321.5          52.0                4.8 +/-    0.86       5.9 +/-    0.86  0.030 / 0.030
G26     281.5          19.0                3.0 +/-    2.30       6.8 +/-    2.30  0.030 / 0.030
G29     158.2          66.1                8.7 +/-    0.36       9.4 +/-    0.36  0.050 / 0.060