PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/16-00:42:50
G07     327.7          56.4                4.2 +/-    0.69       4.9 +/-    0.69  0.110 / 0.120
G08     102.2          50.3                5.8 +/-    0.89       7.3 +/-    0.89  0.100 / 0.120
G09     179.1          72.9                5.8 +/-    0.43       6.0 +/-    0.43  0.040 / 0.060
G11     151.2          10.9                1.7 +/-   15.88       4.6 +/-   15.88  0.040 / 0.050
G23     154.7          46.2                6.3 +/-    0.60       8.3 +/-    0.60  0.280 / 0.650
G27     58.5           33.0                4.1 +/-    1.60       6.7 +/-    1.60  0.270 / 0.580
G28     232.6          18.3                6.4 +/-    2.30      14.6 +/-    2.30  0.090 / 0.270
G30     297.1          29.5                4.0 +/-    2.07       7.1 +/-    2.07  0.120 / 0.440