PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/22-09:58:10
G02     335.0          80.2                3.6 +/-    0.75       3.6 +/-    0.75  0.050 / 0.110
G05     168.5          27.4                5.4 +/-    1.17      10.1 +/-    1.17  0.070 / 0.090
G06     40.3           43.4                2.8 +/-    0.68       3.8 +/-    0.68  0.030 / 0.040
G12     316.5          70.4                4.2 +/-    0.37       4.4 +/-    0.37  0.040 / 0.090
G17     82.3           13.3                5.6 +/-    2.10      14.5 +/-    2.10  0.060 / 0.140
G19     71.9           27.5                3.9 +/-    0.64       7.1 +/-    0.64  0.110 / 0.100
G24     233.1          25.6                7.3 +/-    1.97      14.1 +/-    1.97  0.050 / 0.030
G25     317.2          24.8                3.5 +/-    2.79       6.8 +/-    2.79  0.030 / 0.030