PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/22-23:57:50
G08     291.6          23.5               10.0 +/-    1.07      20.2 +/-    1.07  0.030 / 0.020
G10     5.6            63.1                9.5 +/-    0.68      10.6 +/-    0.68  0.050 / 0.030
G14     230.5          48.1               15.6 +/-    2.20      20.2 +/-    2.20  0.060 / 0.080
G18     63.5           51.2               11.1 +/-    1.00      13.7 +/-    1.00  0.050 / 0.090
G21     145.9          38.6               13.8 +/-    0.68      20.5 +/-    0.68  0.080 / 0.090
G24     57.2           26.6                9.9 +/-    1.30      18.7 +/-    1.30  0.080 / 0.110
G27     252.4          31.3               13.1 +/-    3.24      22.4 +/-    3.24  0.160 / 0.120
G32     244.4          64.7               13.0 +/-    0.71      14.2 +/-    0.71  0.080 / 0.100