Patent ID: 7174186

Claim:
A broadcasting tower selecting method for selecting one broadcasting tower out of a plurality of broadcasting towers, each being able to transmit together broadcast waves on a plurality of channels that can be received in an area, comprising: a first step of judging an existence or not of said channels that can be received in said area; a second step of judging whether all channels belonging to a channel group can be received; a third step of extracting, based on a result from the judgment in said second step, one or more broadcasting towers that can provide all channels belonging to said channel group, said channels being receivable in said area, out of said plurality of said broadcasting towers, and of setting one or more effective broadcasting tower candidate flags for the extracted one or more broadcasting towers, enabling selection of a preferable broadcasting tower, and where channel groups are used to determine the effective broadcasting tower candidate flag; and a fourth step of selecting one arbitrary broadcasting tower out of the extracted one or more broadcasting towers, using said one or more effective broadcasting tower candidate flags.