On Apr 20, 3:56*pm, Eric Greenwell wrote:
On 4/20/2011 9:17 AM, mattm wrote:

Whatever device you use, it's a really good idea to get an oxymeter
to be able to measure your blood oxygen. *I picked one up on eBay
for about $35 (new).

I second the motion. Amazon also has them, starting at $23. Or get one
with alarms ($70 or so), or alarms and logging ($130), for very
reasonable prices.

Has anyone tried the alarm and logging units?

--
Eric Greenwell - Washington State, USA (change ".netto" to ".us" to
email me)
- "Transponders in Sailplanes - Feb/2010" also ADS-B, PCAS, Flarmhttp://tinyurl.com/yb3xywl
- "A Guide to Self-launching Sailplane Operation Mar/2004" Much of what
you need to know tinyurl.com/yfs7tnz

One step better - an oxymeter as a sensor for a Mountain High system.
Not Yet Available to my knowledge.