PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/16-21:12:50
G05     53.2           10.8               12.1 +/-    3.11      33.2 +/-    3.11  0.120 / 0.280
G10     245.1          20.9               17.1 +/-    2.89      36.8 +/-    2.89  0.120 / 0.270
G13     61.9           34.7               15.3 +/-    1.00      24.5 +/-    1.00  0.050 / 0.050
G15     101.4          57.5               16.6 +/-    0.79      19.3 +/-    0.79  0.040 / 0.050
G16     305.6          13.6               11.0 +/-    1.59      28.2 +/-    1.59  0.170 / 0.260
G18     259.6          51.6               15.6 +/-    2.44      19.3 +/-    2.44  0.200 / 0.280
G20     38.2           54.2               14.6 +/-    0.78      17.6 +/-    0.78  0.320 / 0.270
G21     327.0          56.5               14.8 +/-    0.54      17.3 +/-    0.54  0.140 / 0.230
G26     278.1          17.4               14.0 +/-    1.15      32.8 +/-    1.15  0.030 / 0.040
G29     160.7          53.4               18.1 +/-    0.38      21.9 +/-    0.38  0.030 / 0.040