PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/23-10:57:50
G02     30.0           57.5                5.9 +/-    1.12       6.9 +/-    1.12  0.030 / 0.030
G05     151.8          56.1                9.2 +/-    0.58      10.9 +/-    0.58  0.030 / 0.030
G06     50.7           18.9                3.0 +/-    2.29       6.7 +/-    2.29  0.030 / 0.030
G12     197.2          71.8                7.2 +/-    0.86       7.6 +/-    0.86  0.040 / 0.030
G19     96.2           10.5                7.9 +/-    2.08      21.8 +/-    2.08  0.110 / 0.120
G25     303.5          49.7                5.6 +/-    4.64       7.0 +/-    4.64  0.080 / 0.110
G29     302.9          23.4                4.8 +/-    1.44       9.8 +/-    1.44  0.040 / 0.040