[aprssig] Balloon warmth

Scott Miller scott at opentrac.org
Wed Mar 24 10:32:16 EDT 2010

About a dozen people have suggested this, but I'm not convinced the 
oxygen level is sufficient.  I do happen to have a vacuum chamber in the 
shop, so once I get a functioning payload again I'll have to throw a few 
of those in there and compare the heat generated to a control at 1 


AD4BL wrote:
> An alternative to keeping equipment warm on a balloon flight is to use 
> the hand warmers.   They last about
> 8 hours and provide enough heat to keep equipment operating in a cold 
> environment.

More information about the aprssig mailing list