PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/07-04:28:10
G01     318.8          18.0                1.7 +/-    6.36       3.9 +/-    6.36  0.020 / 0.020
G08     255.8          13.2               -4.2 +/-   19.50     -10.9 +/-   19.50  0.020 / 0.020
G10     78.3           54.3              -11.5 +/-   10.52     -13.8 +/-   10.52  0.110 / 0.250
G11     301.4          25.0                5.3 +/-    1.20      10.4 +/-    1.20  0.110 / 0.240
G14     301.5          71.4               38.3 +/-   17.26      40.1 +/-   17.26  0.200 / 0.210
G18     100.9          30.6              -46.2 +/-   45.57     -80.0 +/-   45.57  0.100 / 0.190
G22     300.4          11.0                0.9 +/-    7.08       2.6 +/-    7.08  0.030 / 0.030
G31     176.4          41.5                7.4 +/-    1.26      10.5 +/-    1.26  0.040 / 0.030
G32     3.9            68.3                5.6 +/-    0.56       6.0 +/-    0.56  0.040 / 0.040