MASTER STATION FACILITY, WIRELESS BROADCAST SYSTEM AND WIRELESS BROADCAST COMMUNICATION METHOD

PROBLEM TO BE SOLVED: To provide a master station facility, a wireless broadcast system and a wireless broadcast communication method, capable of easily and quickly extracting an optimal slave station facility to be transmitted, and capable of quickly notifying of desired notification information after the occurrence of a disaster.SOLUTION: A master station facility 20 includes: storage means 21 for storing identification information and positional information for each of a plurality of slave station facilities; setting means 22 for, when a reference position and a distance condition are inputted by a user, setting and outputting a designated area satisfying the distance condition for the inputted reference position; extracting means 23 for, when receiving the set designated area, referring to the storage means 21 to extract and output the identification information associated with the slave station facility of which positional information is included in the designated area; and transmitting means 24 for wirelessly transmitting the outputted identification information.