PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/05-16:27:40
G02     33.8           55.2               13.0 +/-    0.69      15.4 +/-    0.69  0.050 / 0.050
G05     145.6          61.3               16.1 +/-    0.99      18.0 +/-    0.99  0.040 / 0.050
G06     53.9           16.9               10.5 +/-    1.62      25.0 +/-    1.62  0.050 / 0.040
G12     200.4          67.4               11.6 +/-    0.95      12.4 +/-    0.95  0.040 / 0.040
G20     198.5          26.9               13.3 +/-    3.02      24.9 +/-    3.02  0.040 / 0.040
G25     293.2          55.9               11.9 +/-    0.85      14.1 +/-    0.85  0.040 / 0.050
G29     310.2          32.6               11.2 +/-    1.02      18.6 +/-    1.02  0.090 / 0.160