- Oct 15, 2013Thank you everyone for the awesome feedback!! What a great community!!
From: Hanson, Douglas R CIV SPAWARSYSCEN-PACIFIC, 63800
Sent: Tuesday, October 15, 2013 10:11 AM
Would someone please provide suggestions on keeping circuits warm at high altitude? For example, a battery powered on-board heater that is photocell activated. What specific technology is involved? Thank you.