PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/17-03:27:30
G07     322.9          54.4                4.4 +/-    0.64       5.3 +/-    0.64  0.030 / 0.040
G08     108.9          48.3                7.3 +/-    0.54       9.4 +/-    0.54  0.030 / 0.040
G09     195.0          80.1                4.6 +/-    0.23       4.6 +/-    0.23  0.070 / 0.050
G16     44.3           14.1                1.8 +/-    1.71       4.5 +/-    1.71  0.050 / 0.040
G23     152.9          53.3                6.9 +/-    0.49       8.4 +/-    0.49  0.130 / 0.350
G27     66.7           36.6                5.6 +/-    1.03       8.7 +/-    1.03  0.140 / 0.360
G28     230.5          20.7                5.1 +/-    3.26      11.0 +/-    3.26  0.030 / 0.040
G30     294.1          28.0                2.4 +/-    1.49       4.4 +/-    1.49  0.030 / 0.050