Over to you @wheels_of_fire
I guess you really must wait for perfect conditions. Pointless otherwise.
No such thing,
Just need to decide on a z-value that you're happy with.
Ian's was predicted to be about +1.3 but came in at about +0.7 so tougher than he might have expected.
What is a z-value?
@wheels_of_fire started
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Over to you @wheels_of_fire
I guess you really must wait for perfect conditions. Pointless otherwise.