PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/04-01:57:30
G01     315.2          25.2                4.2 +/-    2.98       8.2 +/-    2.98  0.070 / 0.190
G10     92.8           47.5                6.9 +/-    0.49       9.0 +/-    0.49  0.070 / 0.170
G11     293.0          27.1                6.0 +/-    1.09      11.2 +/-    1.09  0.050 / 0.050
G14     324.7          70.8                7.6 +/-    0.56       8.0 +/-    0.56  0.040 / 0.050
G18     294.1          46.4                6.6 +/-    0.81       8.8 +/-    0.81  0.080 / 0.160
G20     89.2           63.8               14.5 +/-    1.41      15.9 +/-    1.41  0.080 / 0.170
G25     92.1           12.3                6.1 +/-    3.17      16.1 +/-    3.17  0.170 / 0.390
G31     170.5          54.0                9.2 +/-    1.42      11.0 +/-    1.42  0.190 / 0.380
G32     25.3           59.4                6.0 +/-    0.61       6.8 +/-    0.61  0.050 / 0.060