PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/09-03:27:50
G01     128.4          10.3               -4.7 +/-   37.42     -13.2 +/-   37.42  0.030 / 0.030
G07     53.1           68.8                8.2 +/-    0.85       8.7 +/-    0.85  0.030 / 0.030
G08     50.4           38.6                5.4 +/-    0.61       8.0 +/-    0.61  0.210 / 0.230
G09     176.4          36.0                9.3 +/-    1.24      14.5 +/-    1.24  0.140 / 0.200
G11     118.2          34.7               10.0 +/-    0.87      15.9 +/-    0.87  0.110 / 0.080
G17     198.5          15.4                7.3 +/-    3.32      18.0 +/-    3.32  0.080 / 0.090
G23     161.5          11.3                7.5 +/-    1.64      20.4 +/-    1.64  0.050 / 0.050
G27     38.0           10.8                4.8 +/-    3.50      13.1 +/-    3.50  0.050 / 0.100
G28     271.0          50.3                8.1 +/-    2.13      10.2 +/-    2.13  0.030 / 0.020
G30     328.8          57.8                7.3 +/-    0.39       8.5 +/-    0.39  0.030 / 0.030