RadioBanter - View Single Post

November 14th 04, 08:02 PM

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 Øº-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 -