PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/06-16:13:00
G08     310.7          18.8               14.9 +/-    0.99      33.8 +/-    0.99  0.060 / 0.060
G10     332.6          60.3                6.8 +/-    0.44       7.7 +/-    0.44  0.080 / 0.080
G14     216.9          24.8                9.8 +/-    3.35      19.2 +/-    3.35  0.120 / 0.280
G20     40.1           59.1                6.8 +/-    0.70       7.8 +/-    0.70  0.190 / 0.280
G21     132.6          58.0               10.2 +/-    0.91      11.7 +/-    0.91  0.140 / 0.160
G24     77.6           30.7                8.7 +/-    0.82      15.0 +/-    0.82  0.090 / 0.180
G27     277.2          38.2                8.7 +/-    1.82      13.0 +/-    1.82  0.030 / 0.040
G32     220.8          52.4                9.4 +/-    1.73      11.6 +/-    1.73  0.040 / 0.050