What you heard was probably a Skymelody Variometer. Which can be gotten here http://www.xcsoaring.com/products/products.htm from Dean @ XC Soaring. I use one myself and there great.
-- Ken York County Soaring "Lighthorse" Team YCS Silence is Golden RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED] Please note that subscribe and unsubscribe messages must be sent in text only format with MIME turned off. Email sent from web based email such as Hotmail and AOL are generally NOT in text format
