PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/01-04:57:40
G07     339.0          60.2                6.1 +/-    0.59       7.0 +/-    0.59  0.090 / 0.110
G08     90.6           51.4                6.8 +/-    0.45       8.5 +/-    0.45  0.060 / 0.090
G09     178.5          67.1                8.3 +/-    1.31       8.9 +/-    1.31  0.050 / 0.030
G11     142.7          15.5                6.0 +/-    1.31      14.7 +/-    1.31  0.040 / 0.050
G23     157.1          41.1                7.6 +/-    0.83      10.8 +/-    0.83  0.070 / 0.070
G27     54.3           31.8                4.8 +/-    0.48       8.2 +/-    0.48  0.070 / 0.070
G28     238.7          30.0                4.3 +/-    2.25       7.6 +/-    2.25  0.040 / 0.090
G30     302.9          35.3                4.9 +/-    1.16       7.8 +/-    1.16  0.040 / 0.080