PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/03-19:43:10
G05     49.8           16.8               14.6 +/-    0.78      34.7 +/-    0.78  0.090 / 0.220
G10     238.9          14.5               23.1 +/-    2.58      58.2 +/-    2.58  0.090 / 0.210
G13     72.3           37.0               18.5 +/-    0.95      28.3 +/-    0.95  0.050 / 0.060
G15     117.2          54.4               21.4 +/-    0.66      25.7 +/-    0.66  0.050 / 0.070
G16     314.2          11.3               15.9 +/-    2.74      43.0 +/-    2.74  0.150 / 0.640
G18     249.7          45.7               19.0 +/-    1.26      25.3 +/-    1.26  0.170 / 0.610
G20     31.0           62.7               17.9 +/-    0.86      19.8 +/-    0.86  0.090 / 0.180
G21     318.4          51.2               18.6 +/-    1.08      23.1 +/-    1.08  0.070 / 0.160
G26     287.7          18.7               16.4 +/-    1.10      37.3 +/-    1.10  0.050 / 0.120
G29     155.8          62.4               21.9 +/-    1.25      24.4 +/-    1.25  0.060 / 0.120