PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/06-19:42:30
G05     50.8           13.0                8.2 +/-    0.52      21.3 +/-    0.52  0.060 / 0.060
G10     240.3          18.9               12.3 +/-    1.85      27.8 +/-    1.85  0.060 / 0.070
G13     66.6           34.1                9.4 +/-    0.37      15.1 +/-    0.37  0.050 / 0.130
G15     115.1          56.0                9.2 +/-    0.65      10.8 +/-    0.65  0.050 / 0.130
G16     308.0          14.5                7.9 +/-    1.24      19.8 +/-    1.24  0.040 / 0.060
G20     255.1          42.6               11.5 +/-    1.15      16.1 +/-    1.15  0.030 / 0.050
G21     319.3          50.4               12.0 +/-    1.28      15.1 +/-    1.28  0.120 / 0.420
G26     280.9          19.3                8.8 +/-    1.64      19.8 +/-    1.64  0.130 / 0.530
G29     158.0          65.5               11.3 +/-    0.80      12.3 +/-    0.80  0.120 / 0.260