PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/10-13:57:40
G02     34.0           55.1                4.7 +/-    0.36       5.6 +/-    0.36  0.040 / 0.040
G05     143.8          61.0                7.9 +/-    0.77       8.9 +/-    0.77  0.040 / 0.040
G06     52.7           19.3                3.0 +/-    0.78       6.7 +/-    0.78  0.030 / 0.040
G12     203.6          69.1                4.5 +/-    0.88       4.7 +/-    0.88  0.040 / 0.030
G20     198.9          24.7                5.7 +/-    0.83      11.2 +/-    0.83  0.100 / 0.250
G25     296.5          54.1                4.3 +/-    0.85       5.2 +/-    0.85  0.110 / 0.250
G29     310.0          32.7                2.9 +/-    1.55       4.8 +/-    1.55  0.080 / 0.140