I'm not sure I understand some of the responses here. Some information published by relevant authorities on the public internet can be found here:
NOTAMS (search for "RED BULL"):
http://pibs.nats.co.uk/operational/pibs/pib1.shtml
Frequencies (e.g. for London City):
http://www.caa.co.uk/docs/64/DAP_ACD_Freq_ref_south.pdf
It's possible permission to listen to certain frequencies will be given at the event.
Rob.