PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/06-03:43:10
G01     228.3          19.0                8.4 +/-    0.78      18.9 +/-    0.78  0.090 / 0.390
G03     296.1          63.9                2.9 +/-    1.62       3.2 +/-    1.62  0.080 / 0.360
G14     84.9           24.7                5.2 +/-    1.22      10.1 +/-    1.22  0.110 / 0.190
G16     153.8          40.3                8.3 +/-    1.24      12.0 +/-    1.24  0.170 / 0.310
G22     227.3          73.1                6.9 +/-    0.94       7.2 +/-    0.94  0.030 / 0.030
G23     304.3          33.8                6.4 +/-    1.03      10.3 +/-    1.03  0.040 / 0.040
G26     110.4          54.2                6.9 +/-    0.67       8.3 +/-    0.67  0.080 / 0.100
G31     42.9           38.0                2.9 +/-    0.98       4.4 +/-    0.98  0.060 / 0.090
G32     96.1           10.8                4.0 +/-    1.62      11.0 +/-    1.62  0.080 / 0.150