GNU RadioをUbuntuにインストールして
sudo wget http://www.sbrac.org/files/build-gnuradio
sudo chmod a+x ./build-gnuradio
sudo ./build-gnuradioを端末に入力すると
./build-gnuradio: 1: ./build-gnuradio: cannot open !DOCTYPE: No such file
./build-gnuradio: 1: ./build-gnuradio: HTML: not found
./build-gnuradio: 2: ./build-gnuradio: cannot open html: No such file
: not foundradio: 3: ./build-gnuradio:
./build-gnuradio: 4: ./build-gnuradio: cannot open META: No such file
./build-gnuradio: 5: ./build-gnuradio: cannot open META: No such file
./build-gnuradio: 5: ./build-gnuradio: http-equiv=Content-Type: not found
./build-gnuradio: 6: ./build-gnuradio: cannot open META: No such file
./build-gnuradio: 6: ./build-gnuradio: http-equiv=Content-Style-Type: not found
./build-gnuradio: 7: ./build-gnuradio: cannot open title: No such file
: not foundradio: 8: ./build-gnuradio: NW�F�E���u�V�X�e���@���O�C�����
./build-gnuradio: 9: ./build-gnuradio: cannot open /title: No such file
./build-gnuradio: 10: ./build-gnuradio: cannot open body: No such file
./build-gnuradio: 11: ./build-gnuradio: cannot open center: No such file
./build-gnuradio: 12: ./build-gnuradio: cannot open img: No such file
./build-gnuradio: 13: ./build-gnuradio: cannot open h1: No such file
./build-gnuradio: 14: ./build-gnuradio: cannot open TABLE: No such file
./build-gnuradio: 15: ./build-gnuradio: cannot open TBODY: No such file
./build-gnuradio: 16: ./build-gnuradio: cannot open TR: No such file
./build-gnuradio: 17: ./build-gnuradio: Syntax error: redirection unexpected

最後にSyntax error: redirection unexpectedが出てきます。
文字化けもしていてファイルもありません。
GNU Radioのパッケージを入れたいのですがどうすればいいかわかりません
もしよろしければ教えていただきたいです。