PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/29-00:58:00
G01     318.0          19.9               11.5 +/-    1.81      25.2 +/-    1.81  0.030 / 0.030
G08     253.9          11.9               16.7 +/-    5.44      44.6 +/-    5.44  0.040 / 0.020
G10     82.5           52.7                9.0 +/-    1.19      11.0 +/-    1.19  0.110 / 0.220
G11     299.9          25.3                9.5 +/-    1.55      18.4 +/-    1.55  0.220 / 0.270
G14     309.1          71.5                6.9 +/-    0.92       7.3 +/-    0.92  0.170 / 0.210
G18     103.7          27.5                8.1 +/-    2.26      14.9 +/-    2.26  0.120 / 0.220
G22     301.4          11.6                6.5 +/-   12.16      17.5 +/-   12.16  0.060 / 0.060
G31     178.0          42.3                9.9 +/-    0.61      13.8 +/-    0.61  0.060 / 0.050
G32     4.1            67.7                6.9 +/-    0.36       7.3 +/-    0.36  0.050 / 0.040