500 Injured in Meteor Strike Above Russia

An epic event occurred in Russia last night. A huge meteor passed through the atmosphere over the Russian city of Chelyabinsk, setting off a shock wave with a force great enough to shatter windows and injure nearly 500 people. Any living Siberian that might remember the Tunguska event over Siberia in 1908 must have had a wicked flashback. There is a good possibility it was a chunk of space rock associated with asteroid 2012 DA14, due to fly by today this afternoon. There could be more to come. Earth is a hard hat area today.

Posted February 2013

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 tying up your telephone line, and a lady's voice announced "You've Got Mail" when a new message arrived...