PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/02-21:12:30
G10     245.3          22.2               13.4 +/-    1.86      27.9 +/-    1.86  0.050 / 0.050
G13     59.8           32.9                9.1 +/-    0.86      15.1 +/-    0.86  0.030 / 0.050
G15     108.0          58.7               10.5 +/-    0.34      12.1 +/-    0.34  0.130 / 0.510
G16     300.3          16.1                7.7 +/-    2.45      18.7 +/-    2.45  0.130 / 0.570
G20     247.6          7.8                 5.6 +/-    0.75      16.3 +/-    0.75  0.060 / 0.150
G21     324.9          54.8                9.4 +/-    0.59      11.3 +/-    0.59  0.060 / 0.150
G26     272.4          18.1               10.1 +/-    2.10      23.2 +/-    2.10  0.030 / 0.050
G29     163.2          58.8               12.3 +/-    1.05      14.1 +/-    1.05  0.030 / 0.040