PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/14-15:28:00
G02     72.3           21.8                7.1 +/-    1.47      14.9 +/-    1.47  0.020 / 0.040
G05     46.6           48.8                7.1 +/-    0.78       9.2 +/-    0.78  0.030 / 0.050
G12     182.9          18.4               10.6 +/-    3.21      24.2 +/-    3.21  0.090 / 0.190
G13     117.0          25.1               10.8 +/-    1.30      21.1 +/-    1.30  0.070 / 0.190
G15     154.4          24.8               12.9 +/-    1.16      25.3 +/-    1.16  0.080 / 0.250
G18     223.0          15.2               10.0 +/-    3.39      24.7 +/-    3.39  0.080 / 0.230
G20     223.0          75.0               10.3 +/-    0.51      10.6 +/-    0.51  0.050 / 0.040
G21     285.2          29.6                9.2 +/-    2.15      16.3 +/-    2.15  0.050 / 0.040
G25     218.6          39.1                9.3 +/-    1.54      13.8 +/-    1.54  0.050 / 0.090
G29     350.6          74.9                8.0 +/-    0.82       8.2 +/-    0.82  0.050 / 0.090