PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/28-01:12:50
G01     315.9          23.9               13.9 +/-    1.36      27.9 +/-    1.36  0.050 / 0.030
G10     89.7           49.8               15.8 +/-    1.08      20.0 +/-    1.08  0.040 / 0.030
G11     295.0          27.1               13.3 +/-    1.42      24.8 +/-    1.42  0.140 / 0.110
G14     325.4          71.2               14.4 +/-    1.17      15.1 +/-    1.17  0.160 / 0.160
G18     107.7          24.0               16.7 +/-    1.61      33.4 +/-    1.61  0.110 / 0.270
G22     303.8          15.1               10.4 +/-    2.00      25.9 +/-    2.00  0.100 / 0.250
G25     92.2           11.6               18.3 +/-    2.83      49.3 +/-    2.83  0.030 / 0.050
G31     176.9          47.8               19.2 +/-    1.23      24.9 +/-    1.23  0.040 / 0.040
G32     13.6           64.3               12.4 +/-    0.62      13.6 +/-    0.62  0.200 / 0.290