LEAD Link Dump: Difference between revisions
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Latest revision as of 22:01, 15 December 2010
Miscellaneous Links
http://www.unr.edu/NevadaSat/BalloonSats/Balloonsat%20Pages/microtrak.html
http://weather.uwyo.edu/polar/balloon_traj.html
Basic numbers for different lighter-than-air gas http://www.chem.hawaii.edu/uham/lift.html
A source for commercial weather ballons http://scientificsonline.com/product.asp_Q_pn_E_3041755
How helium balloons work http://science.howstuffworks.com/helium2.htm
American Science and Surplus has cheap mylar rolls and other cheap supplies http://www.sciplus.com/recommend.cfm/recommendid/5529
List of GPS receivers known to work over 60k feet. http://showcase.netins.net/web/wallio/GPSrcvrsvs60kft.htm
GPS ordering page for cheap GPS equipment. http://www.usglobalsat.com/
High Altitude GPS From Argent Data Systems (Also home of OpenTracker+ and corresponding Arduino Shield) https://www.argentdata.com/catalog/product_info.php?cPath=23&products_id=144&osCsid=af0ae283c8e70f5d0f6f6f0d92be0724
Low Altitude GPS (testing) http://www.sparkfun.com/commerce/product_info.php?products_id=465
Arduino code for decoding GPS NMEA strings http://arduiniana.org/libraries/tinygps/
How to send AX.25 (aprs packets) http://www.tnc-x.com/dcc.doc
TNC-X Documentation http://www.tnc-x.com/documentation.htm
WhereAVR the AVR APRS tracker http://www.garydion.com/projects/whereavr/
Arduino TNC http://sites.google.com/site/ki4mcw/Home/arduino-tnc
Details about the APRS protocol including links to the spec. http://info.aprs.net/index.php/Protocol
Arduino Tone how to generate tones easily http://arduino.cc/en/Reference/Tone
Parachute Links
- Calculating parachute size: http://www.pcprg.com/rocketre.htm
- Calculating parachute size: http://www.pcprg.com/rounddes.htm
- Descent rate calculator: http://www.onlinetesting.net/cgi-bin/descent3.3.cgi