Schedules for the next round of TV coverage for the Charterhouse Heritage GT Car Challenge have been announced.Coverage of the pair of races at Snetterton over the weekend (28/29 July) during the British Touring Car meeting will first be screened on Sky Sports Xtra during the evening of Tuesday 7 August.The provisional broadcast schedule is as follows:Tuesday 7 August at 22.00 on Sky Sports ExtraTuesday 7 August at 23.30 on Sky Sports ExtraWednesday 8 August at 01.30 on Sky Sports ExtraWednesday 8 August at 09.30 on Sky Sports 2Wednesday 8 August at 12.00 on Sky Sports 2Thursday 9 August at 10.30 on Sky Sports 3Sunday 12 August at 05.00 on Sky Sports 3The race action in the series for GT and touring cars of the 1960s and 1970s continues at Silverstone on 11 August.