Featherweight
 
Altimeters LLC
More performance.  More affordable.
Featherweight Interface Program (FIP)
The FIP is designed to make it easy to download and display all the altimeter's recorded data, check out the altimeter, and configure the outputs. 

Download the FIP

Example Flight configuration screen for the Raven:



Example plotting screen:



Example data from my Balls 2010 3-stage 38mm attempt, as seen in Rocketry Planet article:
Violent Agreement BALLS 2010.zip
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