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Have you ever had HAPE? Click to register with the World HAPE Registry.

We have run into some difficulties with the facts calculator and we are trying to fix it now. We anticipate that it will be fixed by the end of February 2010. You can still access it at this temporary link but in the meantime we recommend that you use the altitude oxygen calculator or email us if you have any specific queries.

We would like to apologise for the inconvenience.

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