Complex sentence: It was proposed by the British radio amateur Dr. John Morris (G4ANB), and later adopted by a group of VHF managers, meeting in Maidenhead, England in 1980, to supplant the older QRA locator system with one that would be usable outside of Europe.
Split into simpler sentences: It was proposed by the British radio amateur Dr. John Morris (G4ANB), and later adopted by a group of VHF managers, meeting in Maidenhead, England in 1980. The Maidenhead Locator System supplants the older QRA locator system with one that is usable outside of Europe.