 He also gave airtime to political causes, such as support for the white minority regimes in Rhodesia and South Africa being voiced by Conservative MP Patrick Wall.Although the Marine Broadcasting Offences Act of 1967 brought about an early end to Radio 270, its brief life served to raise Proudfoot's public profile considerably and this may have contributed to his return to Parliament in 1970.Some of its employees such as Roger Gale, Paul Burnett and Philip Hayton went on to have distinguished careers in mainstream broadcasting.