[UK-CONTEST] RSGB Club calls contest - power level?

[Alex GM3ZBE]

What is the allowed power level in this contest?  I don't see anything 
in the rules which states what it is?

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Alex, GM3ZBE ~~~~ Kingdom of Fife ~~~ IO86lf ~~~
Member of:
De Montfort University ARS,
Kingdom Amateur Radio Society (KARS)
GMDX Group, CDXC, Aberdeen ARS
Previous callsigns GM8BYG, G3ZBE
Holder of GM4BRN club call http://www.kars.org.uk/

Remember..............It's only a hobby!
When the going get's tough..........take a nap!!
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