PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/30-00:42:50
G08     313.9          16.8               11.4 +/-    1.37      27.1 +/-    1.37  0.060 / 0.110
G10     317.4          57.0               13.1 +/-    0.70      15.3 +/-    0.70  0.060 / 0.110
G14     214.7          25.9               15.8 +/-    2.62      30.2 +/-    2.62  0.050 / 0.070
G15     45.8           17.8               10.0 +/-    0.98      23.3 +/-    0.98  0.050 / 0.070
G18     24.8           62.6               12.6 +/-    0.55      14.1 +/-    0.55  0.070 / 0.210
G21     125.6          62.9               15.8 +/-    0.87      17.5 +/-    0.87  0.070 / 0.200
G24     83.9           30.2               14.7 +/-    0.70      25.6 +/-    0.70  0.120 / 0.210
G27     282.2          38.1               13.3 +/-    0.98      19.9 +/-    0.98  0.090 / 0.190
G32     218.3          43.3               15.7 +/-    1.09      21.7 +/-    1.09  0.050 / 0.090