PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/03-18:42:50
G10     259.6          35.1                9.7 +/-    1.28      15.3 +/-    1.28  0.140 / 0.260
G13     45.5           22.6                7.3 +/-    0.96      15.1 +/-    0.96  0.110 / 0.160
G15     68.1           53.3                8.0 +/-    0.68       9.8 +/-    0.68  0.050 / 0.060
G16     285.5          14.7               -9.5 +/-    9.17     -23.8 +/-    9.17  0.050 / 0.040
G20     286.6          57.7                9.8 +/-    0.99      11.3 +/-    0.99  0.070 / 0.230
G21     347.1          66.3                8.2 +/-    0.64       8.9 +/-    0.64  0.080 / 0.260
G26     259.4          11.4                9.2 +/-    2.01      25.1 +/-    2.01  0.220 / 2.140
G27     321.5          12.6                7.8 +/-    3.62      20.6 +/-    3.62  0.170 / 0.990
G29     166.2          40.2               11.1 +/-    0.58      16.0 +/-    0.58  0.030 / 0.040