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Old 17-03-2013, 07:36 PM
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RobF (Rob)
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Join Date: Jul 2008
Location: Brisbane, Australia
Posts: 5,565
Great overview of a complex subject Ray. I don't think I've ever kept up with a mathematical explanation for sub time better. I have a 8300 chip (QHY9) and usually shoot 5mins subs, sometimes down to 3, so intuitively seems close to what you calculate.

Would be interested in the NB (particularly Ha) calcs.
Pulling up seat in this room to listen in.....
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