Hi My understanding is that it was part of a several decades long multi-billion dollar Coast Guard program to enhance the long term reliability of the Loran-C transmitter chains .....
Bob On Jan 25, 2010, at 5:47 PM, Poul-Henning Kamp wrote: > In message > <ece7a93bd093e1439c20020fbe87c47fed2b80a...@altphyembevsp20.res.ad.j > PL>, "Lux, Jim (337C)" writes: > >> Seems that boutique item and time-nut might go together, if there >> was an actual performance advantage. Besides, think of the bragging >> rights from some of this stuff. It could be worse than audiophile >> craziness: [...] > > Thanks for pointing that little shop out. > > Did you notice this in their whitepaper: > > From 1960s to 1980s, Electronic Concepts used Peter Schweitzer > (a Division of Kimberly Clark) manufactured film, the only > United States supplier of material, by license agreement > with Bayer. In 1984, Electronic Concepts acquired the Peter > Schweitzer film division, terminating the license, allowing > Bayer to market the film in the United States. For economic > considerations, Electronic Concepts started manufacturing > capacitors using a balance of Bayer and Electronic Concepts > film. > > Does that sound like a run-of-the-mill business decisions made by > a small company which produces capacitors ? > > No ? > > Then how about this: > > In 1990, the conclusion of a polycarbonate film capacitor > paper[1] stated, "both the orientation and crystal structure > of PC (polycarbonate) film affects its mechanical properties > and electrical dissipation factor". The paper was a cooperative > investigation by the Jet Propulsion Laboratory and Electronic > Concepts' film manufacturing division, > > Why would JPL study obscure production details of polycarbonate > film capacitors in 1990, if they fell of the market six years earlier ? > > Sounds fishy ? > > Anybody know what this means ? > > Electronic Concepts accumulated almost five hundred million > hours of testing military grade Polycarbonate capacitors; > and, currently meet established reliability failure rate > level "R." > > Have you connected the dots yet ? > > A fair number of the in-stockpile nuclear weapon designs are qualified > using polycarbonate capacitors and can't be retested, redesigned > or requalified... > > Poul-Henning > > -- > Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 > [email protected] | TCP/IP since RFC 956 > FreeBSD committer | BSD since 4.3-tahoe > Never attribute to malice what can adequately be explained by incompetence. > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
