PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/16-03:58:00
G01     317.9          20.1                6.9 +/-    3.10      15.1 +/-    3.10  0.030 / 0.040
G08     253.6          11.9                9.4 +/-    2.05      25.1 +/-    2.05  0.040 / 0.040
G10     82.5           52.9                4.7 +/-    0.63       5.7 +/-    0.63  0.110 / 0.270
G11     299.1          26.0                6.8 +/-    1.97      13.0 +/-    1.97  0.110 / 0.250
G14     310.2          71.6                5.2 +/-    0.64       5.4 +/-    0.64  0.140 / 0.330
G18     103.2          28.6                4.3 +/-    0.68       7.8 +/-    0.68  0.130 / 0.280
G22     301.6          12.5                9.0 +/-    1.88      23.8 +/-    1.88  0.040 / 0.060
G31     176.1          44.1                8.0 +/-    1.05      11.0 +/-    1.05  0.050 / 0.060
G32     8.4            66.6                5.5 +/-    0.81       5.9 +/-    0.81  0.040 / 0.060