Patent ID: 6947873

Claim:
A measurement data generating method applied to a system for observing a ground based on various data items measured at observation points by a plurality of measuring instruments, the method comprising the steps of: (a) determining whether an operating state of each measuring instrument is normal or abnormal based on the measured data items obtained from the plurality of measuring instruments; (b) giving a re-measurement instruction to a measuring instrument whose operating state is determined to be abnormal in step (a) (c) storing the measured data items in a first database in sequence for each observation point; (d) storing user contract information for each contract user who requires the measured data items in a second database, the contract information in the second database containing information of required observation points, information of required data items, and information of required observation time; (e) editing measured data items satisfying requirements of the contract users by using the measured data items stored in the first database in accordance with the user contract information stored in the second database; and (f) transmitting the edited data items to the contract users.