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[Paparazzi-devel] Flying wiht BMP085 pressure sensor

From: Prof. Dr.-Ing. Heinrich Warmers
Subject: [Paparazzi-devel] Flying wiht BMP085 pressure sensor
Date: Mon, 15 Aug 2011 22:11:16 +0200
User-agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; de-DE; rv:1.4) Gecko/20030619 Netscape/7.1 (ax)

today we made our first flights only with the BMP085 pressure sensor.
We made an average of  4 pressure values and send the rate to 20 samples/s.
The altitude control system was stabile but just with an large error +7m -4m when flying ovals depending on the position. After landing we had often a altitude of -1..-2m by a flight time of 30 minutes.
Has someone an idea to get more precise results?


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