PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/22-23:57:30
G08     291.6          23.5               11.7 +/-    0.68      23.7 +/-    0.68  0.060 / 0.110
G10     5.6            63.1                8.9 +/-    0.61       9.9 +/-    0.61  0.060 / 0.130
G14     230.5          48.1               14.9 +/-    0.56      19.2 +/-    0.56  0.050 / 0.110
G18     63.5           51.2               11.0 +/-    0.37      13.7 +/-    0.37  0.070 / 0.120
G21     145.9          38.6               13.2 +/-    1.24      19.7 +/-    1.24  0.060 / 0.040
G24     57.2           26.6               10.4 +/-    1.08      19.6 +/-    1.08  0.030 / 0.070
G27     252.4          31.3               14.0 +/-    1.19      23.9 +/-    1.19  0.130 / 0.120
G32     244.4          64.7               13.2 +/-    1.06      14.4 +/-    1.06  0.150 / 0.130