Tune into the BBC Radio 4 on Wednesday at 11am (1000 UTC) for "Do Pirates Rule the Air Waves?"
"Britain has been listening to pirate radio since the 1960s and today it is reported that there are more illegal broadcasters than ever. Former pirate DJ Trevor Nelson investigates the current scene."
More information: http://www.bbc.co.uk/programmes/b00t28d4
The 30 minutes programme is only on FM, not 198 kHz long wave (which has Test Match cricket commentary)
It should also be online and listen again.
(spotted by Mike Barraclough, radioanoraksuk)