PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/08-00:13:10
G03     190.1          18.0                8.5 +/-    1.94      19.7 +/-    1.94  0.190 / 0.490
G07     294.9          40.6                5.2 +/-    1.59       7.5 +/-    1.59  0.220 / 0.530
G08     136.6          32.1                8.1 +/-    1.26      13.6 +/-    1.26  0.050 / 0.090
G09     321.5          73.5                6.1 +/-    0.40       6.4 +/-    0.40  0.080 / 0.080
G16     42.4           32.3                2.8 +/-    1.59       4.7 +/-    1.59  0.060 / 0.120
G23     128.3          75.9                5.5 +/-    0.43       5.6 +/-    0.43  0.060 / 0.150
G27     93.9           35.0                6.7 +/-    0.65      10.7 +/-    0.65  0.050 / 0.080
G30     276.1          12.3                6.0 +/-    3.50      15.8 +/-    3.50  0.080 / 0.080