PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/11-05:27:50
G01     318.3          19.8                7.5 +/-    3.06      16.5 +/-    3.06  0.130 / 0.240
G08     255.6          12.0                8.7 +/-    4.95      23.3 +/-    4.95  0.130 / 0.260
G10     83.4           51.8                5.6 +/-    1.16       6.9 +/-    1.16  0.040 / 0.060
G11     300.9          24.1                7.5 +/-    1.13      15.0 +/-    1.13  0.040 / 0.050
G14     297.0          69.7                5.4 +/-    0.81       5.7 +/-    0.81  0.080 / 0.220
G18     302.6          41.7                4.9 +/-    0.66       6.9 +/-    0.66  0.100 / 0.270
G20     103.2          38.1                6.4 +/-    2.27       9.6 +/-    2.27  0.160 / 0.270
G22     302.2          13.2                8.0 +/-    2.09      20.8 +/-    2.09  0.150 / 0.300
G31     173.2          46.5                6.5 +/-    1.10       8.6 +/-    1.10  0.030 / 0.050
G32     15.6           64.5                4.1 +/-    0.59       4.5 +/-    0.59  0.030 / 0.050