PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/26-15:57:50
G05     47.2           22.6                5.9 +/-    0.72      12.2 +/-    0.72  0.050 / 0.140
G10     234.3          12.3               13.5 +/-    1.35      35.9 +/-    1.35  0.050 / 0.150
G13     77.9           35.3                9.4 +/-    0.50      14.9 +/-    0.50  0.210 / 0.460
G15     125.4          51.1                9.8 +/-    0.66      12.2 +/-    0.66  0.160 / 0.360
G16     315.6          12.0                5.0 +/-    2.74      13.2 +/-    2.74  0.040 / 0.090
G20     246.8          37.1               10.9 +/-    1.78      16.7 +/-    1.78  0.050 / 0.090
G21     311.1          44.9                6.0 +/-    1.61       8.2 +/-    1.61  0.210 / 0.480
G25     201.0          13.8               14.1 +/-    1.80      36.2 +/-    1.80  0.190 / 0.510
G26     290.3          20.2                6.3 +/-    2.38      13.9 +/-    2.38  0.020 / 0.030
G29     150.1          76.7                9.0 +/-    1.43       9.3 +/-    1.43  0.030 / 0.030