PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/07-06:57:50
G02     202.8          38.4                8.9 +/-    1.21      13.3 +/-    1.21  0.050 / 0.100
G06     155.0          70.7                9.3 +/-    0.47       9.8 +/-    0.47  0.060 / 0.090
G12     308.3          18.6                5.2 +/-    2.21      11.8 +/-    2.21  0.070 / 0.050
G17     37.9           47.3                5.5 +/-    1.44       7.2 +/-    1.44  0.040 / 0.050
G19     9.1            63.3                6.1 +/-    0.42       6.8 +/-    0.42  0.060 / 0.100
G24     297.0          37.7                4.5 +/-    4.61       6.8 +/-    4.61  0.050 / 0.080
G28     99.2           37.9                9.0 +/-    0.68      13.5 +/-    0.68  0.040 / 0.030