PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/26-17:28:10
G02     36.1           52.3                7.4 +/-    0.98       9.1 +/-    0.98  0.040 / 0.070
G05     127.7          66.9                8.4 +/-    0.34       9.0 +/-    0.34  0.040 / 0.060
G06     57.4           10.0                6.5 +/-    1.98      18.0 +/-    1.98  0.220 / 0.400
G12     192.1          60.8                8.4 +/-    0.70       9.5 +/-    0.70  0.250 / 0.460
G25     286.9          56.2                5.7 +/-    1.91       6.7 +/-    1.91  0.050 / 0.060
G29     311.7          32.8                6.7 +/-    1.40      11.1 +/-    1.40  0.040 / 0.050