RF Cafe Software

RF Cascade Workbook 2005 - RF Cafe
RF Cascade Workbook

Calculator Workbook
RF Workbench
Smith Chart™ for Visio
Smith Chart™ for Excel
RF & EE Symbols Word
RF Stencils for Visio

About RF Cafe

Kirt Blattenberger - RF Cafe WebmasterCopyright
1996 - 2016
Webmaster:
Kirt Blattenberger,
 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.

My Hobby Website:
 AirplanesAndRockets.com

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RF Cafe - Website of the Stars

Website of the Stars (RF Cafe written in Galaxy font) - RF CafeThere is a new computer font available to astronomers: Galaxy. Well, not really, not yet, but at some point there probably will be. The rendition of "rf cafe" shown here was generated automatically by a website called "My Galaxies." Thanks to thousands of volunteers worldwide that have participated in The Galaxy Zoo's project of classifying galaxies, a set of letter-shaped galaxies has been identified that can be used to write words like "rf cafe." It appears that so far God (or the Big Bang - take your pick) did not create a full set of upper case letter-shaped galaxies. Some letters can be considered upper or lower case, like Cc Ii  Jj  Oo  Pp  Ss  Uu  Vv  Ww  Xx  Zz.

As you might imagine, there are number-shaped galaxies as well. After all, mathematics is the language of the universe. Judging by the shape of the number "1," I'm guessing that particular galaxy is French, possibly in deference to early astronomer Giovanni Domenico Cassini, who among other accomplishments discovered the gap named after him between the A and B rings around Saturn (Cassini Division).

Numerals Written in Galaxy Font - RF CafeWith the contributions to astronomy made by ancient Greeks, you would think there are galaxies shaped like Greek characters, but evidently not - or at least they have not been identified yet. I input ελληνικά (Greek) and the algorithm was befuddled. Arabic (العربية) seems to thwart its logic as well even though Arabs did a lot of looking at the sky. Before you get all upset at the Universe for seemingly excluding your language's characters, consider that these images are as viewed from the perspective of the Earth's current location relative to everything else. At some point in time past or perhaps sometime in the future maybe those galaxies had different visual shapes or we were looking at them from a different angle. Saturn is a good example of how much difference perspective can make. At certain times during its orbit around the sun the rings are presented edge-on and practically disappear from our vantage point because the planet's rotational axis is tilted with its orbital plane, but at other times, like now, the rings are tilted towards us so they are apparent even with a cheap pair of 8x35 binoculars.

The Rings of Saturn - RF Cafe




Posted  9/12/2012