PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/10-22:43:10
G10     273.2          40.9               14.9 +/-    1.50      21.4 +/-    1.50  0.040 / 0.040
G13     40.2           15.5               11.9 +/-    2.26      29.4 +/-    2.26  0.030 / 0.050
G15     54.2           44.8               12.9 +/-    0.46      17.4 +/-    0.46  0.100 / 0.280
G18     313.6          65.9               12.6 +/-    0.70      13.7 +/-    0.70  0.110 / 0.280
G20     58.9           29.9               13.0 +/-    0.66      22.8 +/-    0.66  0.110 / 0.250
G21     24.2           75.3               14.4 +/-    0.80      14.8 +/-    0.80  0.120 / 0.280
G24     116.6          17.3               15.3 +/-    1.37      36.1 +/-    1.37  0.050 / 0.150
G27     314.6          24.6               11.9 +/-    1.30      23.5 +/-    1.30  0.050 / 0.160
G29     167.0          21.7               15.0 +/-    1.74      31.7 +/-    1.74  0.120 / 0.580
G32     206.1          12.5                8.2 +/-   41.10      21.5 +/-   41.10  0.110 / 0.600