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== Miscellaneous Links == | |||
http://bear.sbszoo.com/ | http://bear.sbszoo.com/ | ||
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GPS ordering page for cheap GPS equipment. | GPS ordering page for cheap GPS equipment. | ||
http://www.usglobalsat.com/ | http://www.usglobalsat.com/ | ||
== 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 | |||
Revision as of 10:59, 5 April 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/
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