PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/14-17:43:00
G01     318.3          21.2                4.8 +/-    2.21      10.3 +/-    2.21  0.050 / 0.050
G08     255.9          13.2                7.5 +/-    2.63      19.4 +/-    2.63  0.040 / 0.050
G10     82.1           50.7                8.0 +/-    0.71      10.0 +/-    0.71  0.030 / 0.050
G11     305.9          20.1                5.8 +/-    1.66      12.7 +/-    1.66  0.030 / 0.040
G14     287.5          68.6                7.6 +/-    0.82       8.1 +/-    0.82  0.120 / 0.300
G20     107.4          25.3                8.8 +/-    1.56      17.1 +/-    1.56  0.130 / 0.270
G31     176.2          41.9                9.1 +/-    0.90      12.8 +/-    0.90  0.060 / 0.060
G32     12.8           66.0                6.2 +/-    0.49       6.7 +/-    0.49  0.060 / 0.060