PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/27-05:28:00
G01     317.9          21.5                4.5 +/-    3.15       9.6 +/-    3.15  0.110 / 0.200
G08     256.9          12.0                8.8 +/-    2.27      23.5 +/-    2.27  0.080 / 0.180
G10     85.0           50.1                5.2 +/-    0.81       6.6 +/-    0.81  0.170 / 0.260
G11     300.3          24.1                6.5 +/-    1.85      12.9 +/-    1.85  0.100 / 0.300
G14     305.3          71.3                6.0 +/-    0.62       6.3 +/-    0.62  0.040 / 0.040
G18     301.1          43.5                6.0 +/-    0.95       8.2 +/-    0.95  0.030 / 0.040
G20     108.0          27.1                6.6 +/-    1.73      12.3 +/-    1.73  0.050 / 0.050
G22     302.7          13.2                6.4 +/-    1.91      16.5 +/-    1.91  0.060 / 0.060
G31     173.9          46.0                9.8 +/-    1.11      13.1 +/-    1.11  0.210 / 0.410
G32     8.4            66.8                5.3 +/-    0.57       5.8 +/-    0.57  0.150 / 0.420