PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/13-11:58:10
G02     37.5           50.8                4.9 +/-    0.48       6.1 +/-    0.48  0.040 / 0.040
G05     140.3          64.2                7.5 +/-    0.65       8.3 +/-    0.65  0.030 / 0.040
G06     55.6           12.1                1.4 +/-    0.76       3.7 +/-    0.76  0.040 / 0.030
G12     188.1          61.4                9.9 +/-    2.10      11.1 +/-    2.10  0.030 / 0.040
G25     291.2          55.4                4.0 +/-    0.81       4.8 +/-    0.81  0.060 / 0.050
G29     309.2          29.8                2.9 +/-    2.05       5.1 +/-    2.05  0.040 / 0.050