broadcasts hourly local news bulletins from 6am-7pm on weekdays and 6am-12pm at weekends, produced by Global's Heart Four Counties newsroom in Milton Keynes. National news updates air hourly from Global's London headquarters at all other times. References Radio Authority Pocket Book 1993–2005 Commercial Radio Companies Association Pocket Book 2005–2006 Notes External links Heart Watford & Hemel Radio stations in Hertfordshire Hertfordshire Radio stations established in 1994 1994 establishments in England