Times in the event calendar are UTC. Add 1 hour for BST.

144MHz UKAC

https://www.rsgbcc.org/cgi-bin/contest_rules.pl?year=2023&contest=2mukac

432MHz UKAC

https://www.rsgbcc.org/cgi-bin/contest_rules.pl?year=2023&contest=70cmsukac

50MHz UKAC

https://www.rsgbcc.org/cgi-bin/contest_rules.pl?year=2023&contest=6mukac

70MHz UKAC

https://www.rsgbcc.org/cgi-bin/contest_rules.pl?year=2023&contest=4mukac

432MHz AFS

https://www.rsgbcc.org/cgi-bin/contest_rules.pl?year=2024&contest=afs432MHz&seq=

RSGB 1.8 MHz Contest

https://www.rsgbcc.org/hf/rules/2024/r160m.shtml

RSGB CW Field Day

https://www.rsgbcc.org/hf/rules/2024/rnfd.shtml

RSGB 50 MHz Trophy Contest

https://www.rsgbcc.org/cgi-bin/contest_rules.pl?year=2024&contest=50trophy