PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/11-19:28:10
G05     53.1           10.2               15.9 +/-    2.14      44.0 +/-    2.14  0.090 / 0.260
G10     244.5          20.4               28.5 +/-    1.47      62.1 +/-    1.47  0.100 / 0.220
G13     62.6           34.8               21.3 +/-    0.61      34.0 +/-    0.61  0.040 / 0.070
G15     101.5          57.2               26.2 +/-    0.90      30.5 +/-    0.90  0.040 / 0.070
G16     307.4          13.0               14.0 +/-    2.05      36.5 +/-    2.05  0.110 / 0.280
G18     259.1          51.6               26.1 +/-    0.91      32.3 +/-    0.91  0.080 / 0.370
G20     37.0           55.6               22.7 +/-    0.50      26.8 +/-    0.50  0.040 / 0.060
G21     327.4          56.7               22.8 +/-    0.64      26.7 +/-    0.64  0.050 / 0.050
G26     280.1          17.3               18.8 +/-    0.79      44.2 +/-    0.79  0.100 / 0.380
G29     159.6          53.0               27.1 +/-    0.92      33.1 +/-    0.92  0.100 / 0.370