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Copyright: 1996 - 2024

Webmaster:

    Kirt Blattenberger,

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RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling 2 MB. Its primary purpose was to provide me with ready access to commonly needed formulas and reference material while performing my work as an RF system and circuit design engineer. The World Wide Web (Internet) was largely an unknown entity at the time and bandwidth was a scarce commodity. Dial-up modems blazed along at 14.4 kbps while typing up your telephone line, and a nice lady's voice announced "You've Got Mail" when a new message arrived...

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RF Cafe Forums closed its virtual doors in 2012 mainly due to other social media platforms dominating public commenting venues. RF Cafe Forums began sometime around August of 2003 and was quite well-attended for many years. By 2010, Facebook and Twitter were overwhelmingly dominating online personal interaction, and RF Cafe Forums activity dropped off precipitously. Regardless, there are still lots of great posts in the archive that ware worth looking at. Below are the old forum threads, including responses to the original posts.

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em101
 Post subject: Attenuation Chart
Posted: Mon Feb 12, 2007 11:40 am 
 
Lieutenant

Joined: Mon Feb 12, 2007 11:38 am

Posts: 3

Would anyone be aware about a chart that shows attenuation of various EM field frequencies in different mediums such as water, metal etc.

Thank you.


 
   
 
Ed Milan
 Post subject:
Posted: Fri Mar 02, 2007 9:22 am 
 
Captain

Joined: Mon Aug 04, 2003 10:13 am

Posts: 13

Here a good link I dug up a while back when looking for similar information.

http://www.fire.nist.gov/bfrlpubs/build ... b97123.pdf

Ed

Posted  11/12/2012

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