PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/15-19:28:10
G10     250.3          25.7               13.4 +/-    2.58      25.8 +/-    2.58  0.040 / 0.070
G13     54.9           31.4               12.7 +/-    0.54      21.5 +/-    0.54  0.050 / 0.060
G15     86.2           57.1               12.4 +/-    1.02      14.5 +/-    1.02  0.060 / 0.050
G16     300.6          13.5                8.9 +/-    2.50      22.9 +/-    2.50  0.040 / 0.060
G18     269.5          56.5               12.9 +/-    0.67      15.1 +/-    0.67  0.200 / 0.380
G20     42.1           49.3               11.5 +/-    0.64      14.7 +/-    0.64  0.140 / 0.320
G21     336.8          61.8               12.5 +/-    0.55      14.0 +/-    0.55  0.130 / 0.410
G26     273.1          15.2               12.6 +/-    1.84      31.1 +/-    1.84  0.120 / 0.370
G29     162.2          44.6               14.2 +/-    1.53      19.2 +/-    1.53  0.050 / 0.130