PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/25-04:28:10
G01     127.2          11.3               -0.0 +/-   32.36      -0.1 +/-   32.36  0.040 / 0.050
G07     57.1           68.7                5.2 +/-    0.75       5.6 +/-    0.75  0.040 / 0.040
G08     49.2           37.3                3.2 +/-    0.35       4.9 +/-    0.35  0.110 / 0.430
G09     175.8          33.6                7.4 +/-    1.88      12.1 +/-    1.88  0.110 / 0.330
G11     116.5          35.6                6.5 +/-    0.77      10.2 +/-    0.77  0.040 / 0.040
G13     321.0          11.8               -5.8 +/-   13.88     -15.6 +/-   13.88  0.030 / 0.040
G17     198.8          16.9                6.1 +/-    0.75      14.4 +/-    0.75  0.110 / 0.130
G23     161.4          9.7                 4.5 +/-    1.54      12.5 +/-    1.54  0.070 / 0.160
G28     273.7          51.4                6.2 +/-    0.54       7.6 +/-    0.54  0.050 / 0.080
G30     330.4          59.1                3.7 +/-    0.90       4.2 +/-    0.90  0.050 / 0.080