PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/10-21:13:10
G05     48.9           19.5               11.5 +/-    0.60      25.6 +/-    0.60  0.050 / 0.060
G10     237.7          13.1               15.6 +/-    2.47      40.5 +/-    2.47  0.050 / 0.080
G13     75.0           37.4               14.6 +/-    0.74      22.2 +/-    0.74  0.140 / 0.270
G15     121.7          53.4               17.4 +/-    0.82      21.0 +/-    0.82  0.130 / 0.280
G16     314.9          11.3               11.6 +/-    3.48      31.6 +/-    3.48  0.160 / 0.600
G18     247.6          43.7               16.9 +/-    1.97      23.2 +/-    1.97  0.170 / 0.570
G20     30.3           63.9               14.9 +/-    0.69      16.4 +/-    0.69  0.040 / 0.040
G21     315.7          49.3               14.9 +/-    0.91      19.0 +/-    0.91  0.040 / 0.050
G26     288.5          19.3               13.8 +/-    2.26      30.9 +/-    2.26  0.050 / 0.110
G29     155.3          65.7               16.1 +/-    0.63      17.5 +/-    0.63  0.060 / 0.120