PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/19-21:28:00
G01     319.1          19.0               10.4 +/-    1.63      23.5 +/-    1.63  0.040 / 0.050
G08     259.7          14.1               13.1 +/-    1.40      33.3 +/-    1.40  0.040 / 0.060
G10     79.2           52.0               11.7 +/-    0.56      14.4 +/-    0.56  0.170 / 0.250
G11     306.1          20.5               11.1 +/-    3.80      24.2 +/-    3.80  0.170 / 0.290
G14     283.4          68.2               12.4 +/-    0.74      13.3 +/-    0.74  0.170 / 0.230
G20     105.3          28.0               11.6 +/-    0.91      21.3 +/-    0.91  0.190 / 0.270
G31     175.3          41.2               15.1 +/-    0.85      21.5 +/-    0.85  0.040 / 0.040
G32     7.7            67.9               11.6 +/-    0.94      12.4 +/-    0.94  0.030 / 0.050