PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/11-13:12:50
G07     322.8          55.0                6.5 +/-    0.45       7.8 +/-    0.45  0.370 / 0.620
G08     119.7          46.1                9.0 +/-    0.45      12.0 +/-    0.45  0.120 / 0.350
G09     260.3          82.7                9.6 +/-    0.76       9.7 +/-    0.76  0.030 / 0.040
G16     43.4           18.0                5.7 +/-    3.64      13.2 +/-    3.64  0.050 / 0.040
G23     149.3          52.5               10.0 +/-    0.62      12.3 +/-    0.62  0.050 / 0.060
G27     70.1           36.8                7.7 +/-    1.18      11.8 +/-    1.18  0.140 / 0.150
G28     227.8          14.5                7.3 +/-    3.17      18.4 +/-    3.17  0.040 / 0.060
G30     293.9          30.1                7.1 +/-    1.94      12.4 +/-    1.94  0.030 / 0.060