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#11
November 14th 04, 08:02 PM
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N2EY wrote:
In article , (Brian Kelly) writes: Temperatures at 100,000 MSL generally range from -50ºF to -150ºF "depending". Lightweight (ounces) high-end ($500 class) consumer-level GPS receivers are rated to temps only down to غ-5ºF and 30,000 MSL max. altitude. Then comes the same kinds of limits on the rest of the electronics you're visualizing. How would engineer your way around these limitations on a freeware budget? Looks like a big challenge may be the engineering of an insulated airtight container that doesn't weigh much. Home sheathing insulation works like a charm, and is very inexpensive. Some people have used those cheap insulated picnic coolers. - Mike KB3EIA - |
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