PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/29-03:43:00
G08     267.7          18.6               10.1 +/-    2.28      22.9 +/-    2.28  0.110 / 0.270
G10     59.6           58.7                7.5 +/-    0.32       8.7 +/-    0.32  0.120 / 0.250
G11     311.9          16.9               -3.6 +/-   18.29      -8.5 +/-   18.29  0.050 / 0.060
G14     262.3          63.9                7.0 +/-    0.73       7.7 +/-    0.73  0.040 / 0.060
G18     312.9          30.9                9.3 +/-    3.75      16.0 +/-    3.75  0.200 / 0.290
G20     77.6           57.1               10.1 +/-    0.68      11.8 +/-    0.68  0.120 / 0.290
G21     154.9          17.2                5.3 +/-    2.55      12.5 +/-    2.55  0.030 / 0.030
G27     232.6          16.6               10.0 +/-    1.96      23.8 +/-    1.96  0.030 / 0.030
G31     176.8          31.2               10.2 +/-    1.91      17.4 +/-    1.91  0.100 / 0.240
G32     343.0          74.2                7.7 +/-    0.67       8.0 +/-    0.67  0.080 / 0.250