(Note: Download only if you were in Australia.)
TV Antenna Helper uses your devices GPS and the magnetometer to find nearby over-the-air analogue, digitial TV (DTV) and HDTV signals and assists you choosing the bearing to the correct direction. Information provided by the app includes compass bearings to signals (direction), distance to signal towers, TV channel numbers, RF channel numbers, elevation, and frequency bands (UHV, Hi-V, Lo-V).
TV Antenna Helper includes a database of transmitters and broadcasting sites parameters so it can work without an Internet connection. Please note the data has covered all the states of Australia.