Brian, I`m sure, you also have a high frequence of heartbeat
![Grin ;D](http://www.srgc.org.uk/forum/Smileys/default/grin.gif)
Uli, Melvyn, yes there is no difference between Gp and Gro. Gro starts here too.
![Cheesy :D](http://www.srgc.org.uk/forum/Smileys/default/cheesy.gif)
Gerd our elevation is 75m ASL, so the difference is less than 200m but obviously important for the date of starting
![Grin ;D](http://www.srgc.org.uk/forum/Smileys/default/grin.gif)
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