PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/17-19:28:00
G01     319.2          18.8                9.2 +/-    0.99      20.8 +/-    0.99  0.190 / 0.360
G08     259.1          14.4               11.6 +/-    1.18      29.2 +/-    1.18  0.190 / 0.430
G10     78.4           52.2               25.5 +/-    0.84      31.3 +/-    0.84  0.040 / 0.050
G11     307.3          19.5                9.8 +/-    2.86      21.9 +/-    2.86  0.040 / 0.050
G14     279.4          67.0               10.7 +/-    0.51      11.5 +/-    0.51  0.040 / 0.040
G20     105.1          27.7               10.0 +/-    1.11      18.4 +/-    1.11  0.030 / 0.040
G27     225.1          10.3               12.5 +/-    2.65      34.6 +/-    2.65  0.150 / 0.320
G31     176.0          40.0               11.8 +/-    1.18      17.2 +/-    1.18  0.160 / 0.260
G32     7.6            68.1               10.0 +/-    0.77      10.7 +/-    0.77  0.170 / 0.190