PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/06-22:57:50
G10     243.4          20.4               13.0 +/-    1.92      28.4 +/-    1.92  0.060 / 0.040
G13     62.6           33.9                8.7 +/-    1.19      14.1 +/-    1.19  0.040 / 0.050
G15     110.9          57.7               10.2 +/-    0.41      11.9 +/-    0.41  0.100 / 0.420
G16     303.0          15.8                7.3 +/-    1.91      17.8 +/-    1.91  0.130 / 0.380
G20     249.3          19.7                7.4 +/-    2.94      16.5 +/-    2.94  0.060 / 0.110
G21     322.5          53.2                8.7 +/-    0.57      10.6 +/-    0.57  0.050 / 0.110
G26     274.9          18.9                9.0 +/-    1.92      20.4 +/-    1.92  0.030 / 0.030
G29     162.3          61.5               11.2 +/-    1.00      12.6 +/-    1.00  0.030 / 0.030