PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/01-03:28:00
G08     294.6          23.3               10.3 +/-    3.29      21.0 +/-    3.29  0.030 / 0.030
G10     358.5          62.8                7.7 +/-    1.55       8.6 +/-    1.55  0.110 / 0.240
G14     227.8          45.6               12.1 +/-    3.01      16.1 +/-    3.01  0.050 / 0.060
G18     57.6           54.0                4.8 +/-    1.35       5.8 +/-    1.35  0.100 / 0.250
G21     144.4          43.3                8.7 +/-    1.68      12.0 +/-    1.68  0.040 / 0.030
G24     60.2           27.8                5.9 +/-    2.62      10.9 +/-    2.62  0.110 / 0.240
G27     255.8          32.9               10.1 +/-    3.64      16.8 +/-    3.64  0.090 / 0.080
G32     240.4          64.3                9.5 +/-    1.93      10.4 +/-    1.93  0.100 / 0.250