PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/01-18:27:40
G01     319.6          17.9                7.4 +/-    1.97      17.0 +/-    1.97  0.160 / 0.360
G08     259.6          15.0                8.6 +/-    1.35      21.3 +/-    1.35  0.160 / 0.370
G10     76.5           52.8                8.9 +/-    0.76      10.8 +/-    0.76  0.040 / 0.050
G11     308.6          18.6                8.2 +/-    1.36      18.7 +/-    1.36  0.050 / 0.060
G14     276.9          66.7                8.2 +/-    0.82       8.8 +/-    0.82  0.040 / 0.050
G20     104.2          28.3                9.2 +/-    1.12      16.8 +/-    1.12  0.040 / 0.050
G27     225.9          11.1                8.9 +/-    3.67      24.3 +/-    3.67  0.130 / 0.270
G31     176.7          38.3               10.7 +/-    1.44      16.1 +/-    1.44  0.140 / 0.260
G32     5.6            68.8                9.3 +/-    0.70       9.9 +/-    0.70  0.050 / 0.100