PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/30-03:42:50
G01     112.3          20.6                8.5 +/-    1.18      18.4 +/-    1.18  0.030 / 0.030
G07     91.6           63.9                7.0 +/-    1.16       7.7 +/-    1.16  0.030 / 0.030
G08     43.1           26.5                4.7 +/-    2.22       8.9 +/-    2.22  0.150 / 0.130
G09     173.4          18.0                5.0 +/-    1.59      11.4 +/-    1.59  0.200 / 0.150
G11     105.0          43.5                8.3 +/-    0.82      11.5 +/-    0.82  0.080 / 0.070
G13     314.5          24.5                3.8 +/-    1.45       7.4 +/-    1.45  0.090 / 0.090
G17     201.8          29.8                7.9 +/-    1.29      13.8 +/-    1.29  0.090 / 0.090
G28     288.4          53.6                6.7 +/-    1.88       8.1 +/-    1.88  0.070 / 0.110
G30     345.6          70.1                6.3 +/-    0.82       6.6 +/-    0.82  0.040 / 0.070