PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/12-15:58:00
G10     259.1          34.9               14.3 +/-    1.08      22.8 +/-    1.08  0.160 / 0.370
G13     45.9           22.9                8.6 +/-    0.94      17.7 +/-    0.94  0.190 / 0.560
G15     66.8           52.1               12.8 +/-    0.44      15.8 +/-    0.44  0.110 / 0.260
G16     285.9          14.9                9.3 +/-    1.42      23.1 +/-    1.42  0.160 / 0.210
G20     287.1          58.3               14.8 +/-    0.57      17.1 +/-    0.57  0.050 / 0.040
G21     347.8          66.3               11.7 +/-    0.90      12.6 +/-    0.90  0.050 / 0.040
G26     260.1          11.6               10.9 +/-    1.58      29.4 +/-    1.58  0.070 / 0.100
G27     321.6          12.3                5.9 +/-    3.24      15.7 +/-    3.24  0.060 / 0.080
G29     166.1          41.1               18.8 +/-    0.57      26.9 +/-    0.57  0.060 / 0.270