A medical monitor is disclosed for implantation in a human body for monitoring biological activity and states as detected by implanted sensors. The medical monitor includes at least one hard disk drive. An enclosure surrounds the at least one hard disk drive. The medical monitor is in communication with the sensors, by which information on biological activity and states is stored on the at least one hard disk drive. A transmitter and receiver produces and transmits signals, and include a GPS transmitter and a receiver for producing and receiving transmission signals in the radio frequency range, where the GPS sends satellite communication signals via the public GPS frequencies and protocol.