PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/14-01:27:30
G08     299.5          22.6                8.0 +/-    1.43      16.4 +/-    1.43  0.060 / 0.060
G10     352.1          62.3                8.3 +/-    0.33       9.2 +/-    0.33  0.060 / 0.110
G14     224.1          38.6               10.4 +/-    2.46      15.5 +/-    2.46  0.050 / 0.050
G20     344.9          63.8                9.9 +/-    0.55      10.9 +/-    0.55  0.050 / 0.060
G21     142.5          48.7                9.6 +/-    0.63      12.3 +/-    0.63  0.090 / 0.090
G24     61.7           27.3                7.3 +/-    1.06      13.5 +/-    1.06  0.070 / 0.090
G27     262.9          34.9               10.8 +/-    1.70      17.2 +/-    1.70  0.070 / 0.130
G32     234.6          63.6                9.5 +/-    1.14      10.5 +/-    1.14  0.060 / 0.110