Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!zaphod.mps.ohio-state.edu!wuarchive!psuvax1!psuvm!barilvm!technion!phr76as
Organization: TECHNION - Israel Institute of Technology.
Date: Monday, 13 May 1991 09:51:03 IST
From: <PHR76AS@TECHNION.BITNET>
Message-ID: <91133.095103PHR76AS@TECHNION.BITNET>
Newsgroups: rec.skydiving
Subject: homemade rate of climb meter

Do any of the skydivers like hobby electronics too?
I do, and I heard it is quite simple to built a rate of climb meter.
I was told that there is a simple but accurate solid state device that
measure the static pressure (I think it is manufactured by Philips)
and it is very chip. Once you have this device, all you need is
a simple differenciate circuit and you have the rate of climb meter.
Do anyone have any information about that device?
Thanks,
Amihai Silverman