DLO has launched its new OpenFM application, a free iPhone-friendly online tool for searching for open FM frequencies. The application, which can be found at dlo.com/openfm, enables users to search for the clearest FM station in their area by city and state or zip code. To provide users with more up-to-date information, OpenFM searches an active FCC-provided database of licensed FM broadcasters. Andrew Green, vice president of marketing for DLO,…