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About RF Cafe

Kirt Blattenberger - RF Cafe Webmaster

Copyright: 1996 - 2024
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 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.

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Largest & Brightest Full Moon of 2010
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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).

January 29th's full moon was the biggest and brightest full moon of 2010. This being the first full moon of 2010, it is also known as the wolf moon, a moniker dating back to Native American culture and the notion that hungry wolves howled at the full moon on cold winter nights. Each month brings another full moon name.

The picture below was taken out of my back door (through the glass), at around 10:00 pm local time (Erie, PA), with an outside temperature of 6 °F.

On average, the moon is 238,855 miles (384,400 km) from Earth. Its orbit around Earth causes it to go through all its phases once every 29.5 days. Since the orbit is elliptical with the Earth in one of the foci, one side of the orbit is 31,070 miles (50,000 km) closer than the other. So in each orbit, the moon reaches this closest point to us, called perigee (apogee is the farthest point). Occasionally perigee coincides with a full moon, as it did (or nearly so) on this night, making the moon bigger and brighter than any other full moons of the year. Tonight it was about 14% greater in diameter and 30% brighter than lesser full moons to come the for the remainder of 2010.

Check out the contrast of the shadows!

RF Cafe - Largest and Brightest Full Moon of 2010 on January 29th

 

If you will send me an e-mail if you have a pet with a name from science and include a photo, I will post it here.

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