A positioning apparatus configured to process a first ranging signal (E5a) having a first frequency and a second ranging signal (E5b) having a second frequency which are transmitted from a plurality of positioning satellites (311, 312, 313), the positioning apparatus comprising: a conversion unit (26,27) configured to convert first augmentation information for correcting first calculation information for position calculation contained in the first ranging signal (E5a) to second augmentation information for correcting second calculation information for position calculation contained in the second ranging signal (E5b); and a correction unit (28,29) configured to correct the second calculation information using the second augmentation information; wherein the first calculation information is a carrier phase contained in the first ranging signal (E5a), the second calculation information is a carrier phase contained in the second ranging signal (E5b), the first augmentation information is a signal bias (PB i) for correcting the carrier phase contained in the first ranging signal (E5a), the second augmentation information is a signal bias (PB j) for correcting the carrier phase contained in the second ranging signal (E5b), and the conversion unit (26,27) is configured to convert the first augmentation information to the second augmentation information based on an expression of linear combination of the signal bias (PB i) as the first augmentation information (PB i) for the carrier phase contained in the first ranging signal (E5a) and a signal bias (CB i) related to a pseudorange, the signal bias (CB i) related to the pseudorange being information for correcting the pseudorange contained in the first ranging signal (E5a). a conversion unit (26,27) configured to convert first augmentation information for correcting first calculation information for position calculation contained in the first ranging signal (E5a) to second augmentation information for correcting second calculation information for position calculation contained in the second ranging signal (E5b); and a correction unit (28,29) configured to correct the second calculation information using the second augmentation information; wherein the first calculation information is a carrier phase contained in the first ranging signal (E5a), the second calculation information is a carrier phase contained in the second ranging signal (E5b), the first augmentation information is a signal bias (PB i) for correcting the carrier phase contained in the first ranging signal (E5a), the second augmentation information is a signal bias (PB j) for correcting the carrier phase contained in the second ranging signal (E5b), and the conversion unit (26,27) is configured to convert the first augmentation information to the second augmentation information based on an expression of linear combination of the signal bias (PB i) as the first augmentation information (PB i) for the carrier phase contained in the first ranging signal (E5a) and a signal bias (CB i) related to a pseudorange, the signal bias (CB i) related to the pseudorange being information for correcting the pseudorange contained in the first ranging signal (E5a). the signal bias (PB i) as the first augmentation information (PB i) for the carrier phase contained in the first ranging signal (E5a) and a signal bias (CB i) related to a pseudorange, the signal bias (CB i) related to the pseudorange being information for correcting the pseudorange contained in the first ranging signal (E5a).