Areas covered - Aylesbury, Princes Risborough, Tring, Wendover, Leighton Buzzard, Bicester, Wing, Aston Clinton, Amersham, Chesham, Hemel, Winslow, Thame, Bicester, Marlow, Hertforshire, Bedfordshire, Buckinghsmahire, Herts, Beds, Bucks, Oxon, Henley, Windsor, Maidenhead, Newbury, Wallingford, Stokenchurch, Long Crendon, Waddesdon, Quainton, whitchurch, haddenham