PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/22-22:58:10
G10     271.1          40.7                8.2 +/-    1.56      11.8 +/-    1.56  0.040 / 0.060
G13     40.2           15.2                9.5 +/-    3.21      23.5 +/-    3.21  0.040 / 0.060
G15     57.9           49.3                6.5 +/-    0.92       8.2 +/-    0.92  0.040 / 0.050
G16     273.8          11.0                4.9 +/-   10.76      13.5 +/-   10.76  0.040 / 0.040
G20     271.0          31.4                4.2 +/-    2.05       7.2 +/-    2.05  0.060 / 0.070
G21     9.0            73.6                7.7 +/-    1.95       8.0 +/-    1.95  0.070 / 0.060
G24     115.5          16.5                5.1 +/-   25.83      12.2 +/-   25.83  0.030 / 0.050
G27     317.0          21.4                3.5 +/-   10.75       7.3 +/-   10.75  0.050 / 0.060
G29     168.7          28.5               10.7 +/-    2.20      19.3 +/-    2.20  0.110 / 0.220
G32     204.4          14.1                7.2 +/-   24.07      18.4 +/-   24.07  0.100 / 0.200