PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/10-21:27:50
G10     299.5          53.2                9.0 +/-    1.60      10.9 +/-    1.60  0.050 / 0.040
G15     46.2           28.9                8.0 +/-    1.38      14.4 +/-    1.38  0.050 / 0.040
G20     355.4          65.2                9.6 +/-    0.68      10.5 +/-    0.68  0.050 / 0.130
G21     94.8           74.6               11.6 +/-    0.54      12.0 +/-    0.54  0.070 / 0.120
G24     99.0           26.8               10.1 +/-    1.06      18.9 +/-    1.06  0.050 / 0.070
G27     300.8          34.4                9.2 +/-    0.94      14.8 +/-    0.94  0.080 / 0.050
G32     210.1          32.4               12.7 +/-    1.22      21.1 +/-    1.22  0.070 / 0.110