PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/09-00:42:40
G10     265.3          36.4               12.9 +/-    0.97      20.0 +/-    0.97  0.050 / 0.050
G13     43.2           20.8                8.8 +/-    1.83      19.1 +/-    1.83  0.050 / 0.050
G15     62.5           51.5               11.7 +/-    0.91      14.5 +/-    0.91  0.150 / 0.350
G16     282.2          11.9               11.5 +/-    1.22      30.9 +/-    1.22  0.180 / 0.430
G18     295.8          63.2               11.6 +/-    0.69      12.8 +/-    0.69  0.080 / 0.080
G20     54.2           34.6                9.3 +/-    1.51      14.9 +/-    1.51  0.070 / 0.080
G21     359.7          71.2               12.2 +/-    0.71      12.8 +/-    0.71  0.050 / 0.100
G24     122.6          13.0               11.8 +/-    2.50      30.7 +/-    2.50  0.060 / 0.110
G27     318.4          19.2               10.7 +/-    1.90      24.1 +/-    1.90  0.100 / 0.200
G29     167.0          30.3               13.7 +/-    1.00      23.8 +/-    1.00  0.100 / 0.210