gnuradio 3.0.3-1 (i386 binary) in ubuntu gutsy

 This is a meta-package that depends on the various components of a complete
 installation of the GNU Radio softare defined radio system.
 .
 If you have a USRP, you probably also want to install the usrp package as
 suggested, which lives in contrib because the FPGA bitstrings require
 non-free tools to build.