PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/09-16:13:10
G02     29.1           57.8                9.3 +/-    0.52      10.8 +/-    0.52  0.050 / 0.060
G05     144.6          60.5               11.2 +/-    1.05      12.7 +/-    1.05  0.040 / 0.060
G06     53.0           15.6                6.7 +/-    0.88      16.4 +/-    0.88  0.050 / 0.050
G12     198.5          69.2                9.2 +/-    0.95       9.8 +/-    0.95  0.050 / 0.050
G25     299.3          51.9                7.7 +/-    1.18       9.4 +/-    1.18  0.040 / 0.050
G29     306.1          26.7                7.6 +/-    2.20      14.3 +/-    2.20  0.050 / 0.060