PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/12-04:12:30
G07     339.4          60.3                4.7 +/-    0.58       5.3 +/-    0.58  0.040 / 0.040
G08     90.5           51.4                6.4 +/-    0.48       8.0 +/-    0.48  0.040 / 0.030
G09     179.5          67.7                6.5 +/-    0.39       7.0 +/-    0.39  0.120 / 0.060
G11     142.7          15.5                7.8 +/-    4.45      19.2 +/-    4.45  0.090 / 0.050
G23     157.2          41.2                7.5 +/-    0.96      10.7 +/-    0.96  0.040 / 0.060
G27     54.4           31.9                5.0 +/-    1.25       8.5 +/-    1.25  0.050 / 0.060
G28     238.6          29.9                5.9 +/-    1.20      10.3 +/-    1.20  0.030 / 0.030
G30     302.9          35.3                3.9 +/-    1.07       6.1 +/-    1.07  0.030 / 0.020