PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/27-22:27:50
G10     301.3          53.7               11.7 +/-    1.49      14.2 +/-    1.49  0.040 / 0.050
G14     210.5          11.3               10.9 +/-   48.52      29.6 +/-   48.52  0.040 / 0.040
G15     46.0           27.3                7.6 +/-    1.68      14.0 +/-    1.68  0.300 / 0.570
G20     357.3          65.1               11.4 +/-    1.04      12.4 +/-    1.04  0.230 / 0.520
G21     98.8           74.0               12.2 +/-    0.41      12.6 +/-    0.41  0.060 / 0.100
G24     97.4           27.2               13.9 +/-    1.03      25.8 +/-    1.03  0.060 / 0.080
G27     299.5          34.8               11.8 +/-    0.74      18.8 +/-    0.74  0.080 / 0.150
G32     210.7          33.3               15.1 +/-    1.55      24.8 +/-    1.55  0.070 / 0.160