PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/12-17:43:00
G01     319.5          18.1               18.5 +/-    1.52      42.6 +/-    1.52  0.190 / 0.340
G08     259.2          15.0                7.7 +/-    1.38      19.0 +/-    1.38  0.380 / 0.290
G10     76.6           52.7                9.0 +/-    0.86      11.0 +/-    0.86  0.040 / 0.050
G11     308.9          18.3                7.8 +/-    1.95      17.9 +/-    1.95  0.040 / 0.050
G14     277.6          67.0                9.2 +/-    0.92       9.9 +/-    0.92  0.040 / 0.040
G20     104.3          28.0               10.0 +/-    1.47      18.3 +/-    1.47  0.040 / 0.040
G27     225.8          11.1                9.7 +/-    2.23      26.5 +/-    2.23  0.130 / 0.280
G31     177.0          38.0                9.3 +/-    1.60      14.0 +/-    1.60  0.140 / 0.380
G32     5.9            68.8                7.6 +/-    0.52       8.1 +/-    0.52  0.040 / 0.070