https://launchpad.net/~gqrx/+archive/ubuntu/releases This PPA contains the official gqrx releases as well as dependencies that are not available elsewhere. Please note that installing these binaries will most likely conflict with other installations of GNU Radio et al. from source. Please make sure that any previous source installations are either removed or disabled before installing Gqrx from this repository. deb http://repos.uclv.edu.cu/ubuntu-ppa/gqrx/releases/ubuntu trusty main -----BEGIN PGP PUBLIC KEY BLOCK----- Version: SKS 1.1.5 Comment: Hostname: keyserver.ubuntu.com mI0EUfMNkgEEANaceI98EpcZiNg8MJuJxb+xpvWFOEWTucDB6oGi8W1YKDXAQ+LvSWqMnQyW hsxn83medrl7VVNII3tpwFtoFPyQdyUKx1Yt7xz6Gbrfpzh1xRcF9G4ocShY/SXT6CNx6OON chSPc13tFXxLC4JeQezJwbd8J9V3CqnROq8s2ZTpABEBAAG0G0xhdW5jaHBhZCBQUEEgZm9y IEdxcnggdGVhbYi4BBMBAgAiBQJR8w2SAhsDBgsJCAcDAgYVCAIJCgsEFgIDAQIeAQIXgAAK CRB257n4hvbh3XZBBADI6hgFRe1eTLI4oto1bcin++MFJRA0ve0sSQJkoG28XdK1BNmuQ/BD FzkFVKFo20ZY4suH83Vi05JymOcm+O8fJ3NrV6lgIrwHnV+N/agc6qeKNRu3TVxZVDs5fbyn MRGdt9ig7mDHZ9bOZ09B+ihW+JJm0VfFBC4zg4igpgPK8g== =9arU -----END PGP PUBLIC KEY BLOCK-----