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                8.3 +/-    1.48      19.1 +/-    1.48  0.200 / 0.330
G08     259.6          15.0                9.2 +/-    2.25      22.8 +/-    2.25  0.380 / 0.430
G10     76.5           52.8                9.2 +/-    1.39      11.2 +/-    1.39  0.040 / 0.050
G11     308.6          18.6                6.6 +/-    1.68      15.0 +/-    1.68  0.040 / 0.050
G14     276.9          66.7                8.8 +/-    0.56       9.5 +/-    0.56  0.150 / 0.390
G20     104.2          28.3               10.3 +/-    0.97      18.7 +/-    0.97  0.140 / 0.340
G27     225.9          11.1                9.7 +/-    1.81      26.5 +/-    1.81  0.040 / 0.030
G31     176.7          38.3                9.3 +/-    0.85      14.0 +/-    0.85  0.040 / 0.040
G32     5.6            68.8                8.2 +/-    0.44       8.7 +/-    0.44  0.050 / 0.070