PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/01-05:13:00
G01     315.1          25.0               11.2 +/-   23.74      21.8 +/-   23.74  0.030 / 0.280
G10     91.3           49.2               13.2 +/-   24.59      16.8 +/-   24.59  0.040 / 0.060
G11     292.6          28.3               11.2 +/-   26.31      20.4 +/-   26.31  0.110 / 0.320
G14     330.4          70.9               12.4 +/-   24.80      13.1 +/-   24.80  0.180 / 0.110
G18     108.1          24.6                8.4 +/-   25.26      16.6 +/-   25.26  0.060 / 0.260
G22     304.7          17.5                9.8 +/-   24.01      22.9 +/-   24.01  0.040 / 0.030
G25     88.8           12.0                8.4 +/-   23.11      22.4 +/-   23.11  0.100 / 0.360
G31     173.7          51.5               13.5 +/-   24.17      16.7 +/-   24.17  0.170 / 0.170
G32     19.8           61.9               13.5 +/-   26.00      15.1 +/-   26.00  0.040 / 0.250