PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/21-16:58:00
G08     316.8          14.7                8.0 +/-    2.74      19.9 +/-    2.74  0.060 / 0.080
G10     318.5          58.0               10.8 +/-    1.24      12.5 +/-    1.24  0.050 / 0.100
G14     214.0          17.4               11.4 +/-    3.99      26.7 +/-    3.99  0.110 / 0.280
G15     45.7           15.4                5.4 +/-    3.75      13.3 +/-    3.75  0.110 / 0.380
G20     25.2           62.2               10.1 +/-    0.38      11.3 +/-    0.38  0.040 / 0.040
G21     122.7          65.2                9.0 +/-    0.86       9.9 +/-    0.86  0.040 / 0.060
G24     86.5           30.1                9.5 +/-    1.62      16.7 +/-    1.62  0.040 / 0.040
G27     287.0          37.9                9.5 +/-    0.96      14.3 +/-    0.96  0.040 / 0.040
G32     215.5          44.8               13.1 +/-    2.36      17.7 +/-    2.36  0.160 / 0.330