PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/07/28-06:57:40
G01     272.1          41.2               11.3 +/-   29.06      16.1 +/-   29.06  0.080 / 0.350
G03     315.2          26.1                9.7 +/-   29.24      18.6 +/-   29.24  0.070 / 0.180
G10     128.9          19.1                8.0 +/-   31.01      18.0 +/-   31.01  0.090 / 0.290
G11     248.7          21.8               10.9 +/-   31.80      22.9 +/-   31.80  0.080 / 0.230
G14     43.8           49.4               11.5 +/-   28.67      14.6 +/-   28.67  0.060 / 0.250
G22     314.4          51.6               12.9 +/-   27.85      16.0 +/-   27.85  0.080 / 0.100
G25     49.5           14.7                6.2 +/-   29.08      15.6 +/-   29.08  0.100 / 0.320
G26     149.8          23.3               10.1 +/-   30.58      20.5 +/-   30.58  0.060 / 0.150
G31     58.2           75.2               12.7 +/-   28.73      13.0 +/-   28.73  0.050 / 0.310
G32     62.5           34.0               10.4 +/-   29.38      16.8 +/-   29.38  0.040 / 0.150