In a message dated Thu, 1 Aug 2002 3:17:07 PM Eastern Standard Time, molczan@rogers.com writes: > I am not certain which would be more likely to have darkened; the > Spectra-1000 or the yarn. The former is described as having > "high > resistance to chemicals, water, and UV light": I would suspect that atomic oxygen is reacting with the polyetheylene (Spectra 1000). See: http://www.ncsa.uiuc.edu/News/Access/Stories/LEO/TamingLeo4.html See also: Spectra 1000 Technical Data Sheet: http://www.spectrafiber.com/pdfs/hon-pf-ps09-sp.pdf TiPS Optical Data: http://hyperspace.nrl.navy.mil/tips/optical.html The tether (with a photo) http://hyperspace.nrl.navy.mil/tips/tether.html General TiPS Page http://cryptome.unicast.org/cryptome022401/nrotips.htm All about tethers: http://www.tethers.com Cheers, Don Gardner 39.1799 N, 76.8406 W, 100m ASL http://hometown.aol.com/mir16609/ http://www.howardastro.org/ ----------------------------------------------------------------- Unsubscribe from SeeSat-L by sending a message with 'unsubscribe' in the SUBJECT to SeeSat-L-request@lists.satellite.eu.org http://www.satellite.eu.org/seesat/seesatindex.html
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