PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/21-20:28:00
G01     291.9          41.7               13.2 +/-    1.67      18.6 +/-    1.67  0.070 / 0.100
G03     310.7          13.6               10.0 +/-    3.90      25.7 +/-    3.90  0.070 / 0.130
G10     117.5          28.6               13.4 +/-    1.94      24.2 +/-    1.94  0.310 / 0.520
G11     271.7          24.9               13.4 +/-    2.31      26.3 +/-    2.31  0.200 / 0.340
G22     313.4          34.7               10.3 +/-    1.03      16.4 +/-    1.03  0.120 / 0.250
G25     70.1           18.3               10.8 +/-    1.40      24.8 +/-    1.40  0.130 / 0.290
G26     158.3          11.5               12.1 +/-    3.24      32.7 +/-    3.24  0.090 / 0.160
G31     140.2          76.8               12.1 +/-    0.78      12.4 +/-    0.78  0.080 / 0.160
G32     49.5           42.6               11.2 +/-    1.04      15.6 +/-    1.04  0.060 / 0.110