PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/12-17:42:50
G01     319.5          18.1               17.5 +/-    1.84      40.4 +/-    1.84  0.170 / 0.380
G08     259.2          15.0                7.4 +/-    0.84      18.3 +/-    0.84  0.150 / 0.340
G10     76.6           52.7                9.2 +/-    0.63      11.2 +/-    0.63  0.120 / 0.180
G11     308.9          18.3                7.7 +/-    1.09      17.7 +/-    1.09  0.130 / 0.190
G14     277.6          67.0                8.0 +/-    0.84       8.6 +/-    0.84  0.050 / 0.060
G20     104.3          28.0                8.5 +/-    1.67      15.6 +/-    1.67  0.040 / 0.050
G27     225.8          11.1                8.9 +/-    5.20      24.2 +/-    5.20  0.130 / 0.320
G31     177.0          38.0               10.5 +/-    1.54      15.8 +/-    1.54  0.150 / 0.250
G32     5.9            68.8                7.8 +/-    0.63       8.3 +/-    0.63  0.050 / 0.090