There are numerous TV & Radio programmes on both the Astra & Earlybird (Skye) satellites as well as other satellites such as Earlybird.
Of note is
Hope Channel UK a partially UK sourced TV channel intended specifically for the UK.
It has
a varied output of religious broadcasting of which sermons are only a
small part.
The best source of information for those based in the UK on topic is the ChristianSat Guide. It covers everything from choosing a system to UK TV licensing issues.
Go to here for Christian satellite channels on Astra & Earlybird.
Details of Christian programs on other satellites can be found here on an English page of an otherwise German web site.