RF Cafe Software
About RF Cafe
1996 - 2022
BSEE - KB3UON
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 Internet was still largely an unknown entity at the time and not much was available in the form of WYSIWYG ...
All trademarks, copyrights, patents, and other rights of ownership to images and text used on the RF Cafe website are hereby acknowledged.
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You're not going to believe this pair of images on the new $20 bill. A further freak coincidence is that the Islamic terrorist attack on the United States occurred on 9/11, and those numbers sum to 20 - the denomination of the bill that contains images of the twin World Trade Center towers and the Pentagon building on fire! This trick was demonstrated to me by a 17 year-old boy at my son's karate class. I made the 9+11 connection myself. Take a look!
Twin Towers in Flames
Pentagon in Flames
These images have been chosen for their uniqueness. Subject matter ranges from historic events, to really cool phenomena in science and engineering, to relevant place, to ingenious contraptions, to interesting products (which now has its own dedicated Featured Product category).
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