In order to prevent the upper part of a subject such as a multistoried building or the like from being photographed in a short form when a wide angle shot is carried out, image pick-up means 5 are provided at intervals of 90 degrees on a base 4. The present invention also relates to an isolated canine erythropoietin protein or polypeptide. The base station apparatus extracts a CQI value from the received radio signal, while obtaining likelihood of received data, and corrects the CQI value based on the likelihood.