wrote, On 9/27/2013 9:57 AM:
That's amazing at your age Eric. Probably a defective oximeter.

I have an expensive, older Minolta and a much newer cheapie, but they
read quite close together. I'll take them both along next time for a
better comparison.

--
Eric Greenwell - Washington State, USA (change ".netto" to ".us" to
email me)
- "Transponders in Sailplanes - Feb/2010" also ADS-B, PCAS, Flarm
http://tinyurl.com/yb3xywl