| 摘要 |
PROBLEM TO BE SOLVED: To improve authentication accuracy when a communication certificate is issued, to the issuing load of the communication certificate and to improve a transmission speed. SOLUTION: This system 1 for managing a communication record indicating that a communication is performed between two amateur radio stations is provided with a server 3 provided with a communication record database DB 1 for storing a communication record transmitted from a radio station within an area concerned in charge in each of a plurality of areas in charge, and each server 3 is provided with a means 17 for performing collation by checking whether or not a prescribed establishment condition is established between a communication record stored in the database DB 1 of each server 3 and a communication record transmitted from the opposite communication radio station recorded in the communication record in prescribed timing, and a means 22 for recording or outputting collation results.
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