PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/26-08:57:30
G01     87.8           32.2                5.4 +/-    0.86       9.0 +/-    0.86  0.040 / 0.050
G07     127.3          42.4                8.4 +/-    0.86      11.8 +/-    0.86  0.040 / 0.060
G11     66.1           37.8                4.2 +/-    0.40       6.3 +/-    0.40  0.040 / 0.040
G13     294.2          35.4                5.7 +/-    0.88       8.9 +/-    0.88  0.040 / 0.050
G15     314.3          10.8               -4.7 +/-   17.63     -13.0 +/-   17.63  0.130 / 0.390
G17     215.9          57.7                7.4 +/-    1.18       8.6 +/-    1.18  0.100 / 0.410
G19     215.4          30.4                7.0 +/-    1.24      12.2 +/-    1.24  0.050 / 0.070
G28     354.2          61.4                4.7 +/-    1.09       5.3 +/-    1.09  0.050 / 0.060
G30     108.5          74.8                5.6 +/-    0.47       5.7 +/-    0.47  0.110 / 0.100