List of best mirrors for IP address 18.188.245.152, located in an unknown country.
I am very sorry, but no mirror was found. Feel free to download directly:
http://mirrordirector-mb.raspbian.org/multiarch/pool/main/g/gnuradio/libgnuradio-fft3.8.2_3.8.2.0-9+rpi1_arm64.deb