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...
All trademarks, copyrights, patents, and other rights of ownership to images
and text used on the RF Cafe website are hereby acknowledged.
Here is an amazing time-compressed
animation of all the world's commercial air traffic as compiled by an effort by
the Zurich University of Applied Sciences,
FlightStats. Note the day/night
region moving across the face of the Earth as you watch the air traffic patterns
progress. One interesting phenomenon is the 5-point star that forms and the dissipates
Thanks to Cornell for sending this.
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