TVI Filters
Updated: 2012-07-31 14:20:18
Technical Reference/Radio Frequency InterferenceSchematic and diagrams for TVI Filters by G4WPW
Homebrew UHF Preamplifiers
Updated: 2012-07-31 14:20:18Technical Reference/PreamplifiersAmateur Radio UHF Preamplifiers HJ-FET/GasFetAmplitude Modulation
Updated: 2012-07-31 14:20:18Operating Modes/AMAmplitude Modulation (AM) is essentially a mixing process where the audio modulating signal is mixed with the radio frequency carrierAntenna Mast and Mounts Manufacturers
Updated: 2012-07-31 14:20:18Links to dealers and manufacturers of telescopic antenna masts, poles, antenna mounts. Hard to find masts, expecially designed to support antenna for portable, emergency or field day useAM Operation Using Power SDR
Updated: 2012-07-31 14:20:18Operating Modes/AMAM Operation Using Power SDR with Flex and Other SDR PlatformsFull wave loop antennas
Updated: 2012-07-31 14:20:18Antennas/LoopMeasurements for building a full wave loop using wireThe Clemens Match
Updated: 2012-07-31 14:20:18Antennas/Theory/Impedance matchingAbout the clemens match systemCollins Collectors
Updated: 2012-07-31 14:20:18Antique Radios/Collins CollectorsCollins Collector Clubs, Nets, Magazines & ListsHB0 Liechtenstein
Updated: 2012-07-31 14:20:18DX Resources/DX Peditions/2012 DXpeditionsSeveral belgian hams will be qrv from liechtenstein (hb0) between the 19th and 22 nd of september 2012Hubble’s View of Messier 68: Like Diamonds in the Sky
Updated: 2012-07-30 14:00:29
If you’ve ever looked at Messier 68 through a telescope, you know what a delightful view it is. But the Hubble Space Telescope offers a spectacular, diamond-studded picture of this crowded stellar encampment, a spherical, star-filled region of space known as a globular cluster. This beautiful grouping of stars has been performing a type of [...]Celestron Luminos 23mm Eyepiece Astronomy Magazine
Updated: 2012-07-24 08:12:30
CURRENT ISSUE THE MAGAZINE Current Issue Next Issue Back Issues Digital Editions Preview the Magazine Special Issues E-mail Newsletter About the Magazine Subscribe , Renew or Give a Gift Subscriber Benefits Trips Tours Advertise Advertiser Links Sweepstakes Press Room Contact Us COLUMNISTS Bob Berman Glenn Chaple Tony Hallas David H . Levy Stephen James O'Meara NEWS OBSERVING Astronomy News Liz and Bill's Cosmic Adventures Dave's Universe videos StarDome Plus Intro to the Sky Astronomy for Kids Urban Skies Astronomy Myths The Sky this Week The Sky this Month Star Atlas Ask Astro Astro Imaging Constellation Observing Glossary EQUIPMENT Products Reviews How To MULTIMEDIA Picture of the Day Reader Photo Gallery Videos Podcasts Wallpaper COMMUNITY Why Join Local Group Blog Dave's UniverseAstronomy Magazine Interactive Star Charts Planets Meteors Comets Telescopes
Updated: 2012-07-24 08:10:29, , , , CURRENT ISSUE THE MAGAZINE Current Issue Next Issue Back Issues Digital Editions Preview the Magazine Special Issues E-mail Newsletter About the Magazine Subscribe , Renew or Give a Gift Subscriber Benefits Trips Tours Advertise Advertiser Links Sweepstakes Press Room Contact Us COLUMNISTS Bob Berman Glenn Chaple Tony Hallas David H . Levy Stephen James O'Meara NEWS OBSERVING Astronomy News Liz and Bill's Cosmic Adventures Dave's Universe videos StarDome Plus Intro to the Sky Astronomy for Kids Urban Skies Astronomy Myths The Sky this Week The Sky this Month Star Atlas Ask Astro Astro Imaging Constellation Observing Glossary EQUIPMENT Products Reviews How To MULTIMEDIA Picture of the Day Reader Photo Gallery Videos Podcasts Wallpaper COMMUNITY Why Join Local Group Blog Dave's
Sally Ride, 1951 – 2012
Updated: 2012-07-23 22:51:05
, Subscribe Today Renew Give a Gift Archives Customer Service Facebook Twitter Newsletter SEARCH Health Medicine Mind Brain Technology Space Human Origins Living World Environment Physics Math Video Photos Podcast RSS Discovery Channel telescope sees first light Would you stand under a nuclear blast Sally Ride , 1951 2012 I’m sad to write that Dr . Sally Ride , the first US female astronaut to go into space , has died of pancreatic cancer . NASA has a wonderful page in tribute to this trailblazer , and there’s little I can add to it . You can read about her many contributions to the space program on her official astronaut bio page She was and will continue to be an inspiration to women and men across the world , and while she’s gone too soon , I’m glad she was here and making a differenceDiscovery Channel telescope sees first light!
Updated: 2012-07-23 19:30:25
Subscribe Today Renew Give a Gift Archives Customer Service Facebook Twitter Newsletter SEARCH Health Medicine Mind Brain Technology Space Human Origins Living World Environment Physics Math Video Photos Podcast RSS Deniers , disgust , and defamation Sally Ride , 1951 2012 Discovery Channel telescope sees first light A new telescope has opened its eye to the heavens : the Discovery Channel Telescope yes , that Discovery Channel that’s part of the venerable Lowell Observatory . Sitting on a mountain top in Arizona , over the weekend the 4.3 meter telescope saw what astronomers call first light the first time it sees actual photons from the sky . Its first target : the lovely galaxy M : 109 Click to galactinate , and also see pictures of the Whirlpool and Sombrero galaxies . M 109 is aRaging clouds, near and very, very far
Updated: 2012-07-22 01:30:37
, , Subscribe Today Renew Give a Gift Archives Customer Service Facebook Twitter Newsletter SEARCH Health Medicine Mind Brain Technology Space Human Origins Living World Environment Physics Math Video Photos Podcast RSS MSM tackles the need to explore and gets it very right Time lapse : Sunshine over Earth Raging clouds , near and very , very far I follow quite a few photographers on Google+ , Twitter , and other social media . Why Because : this I know , right This ridiculously amazing picture click to embiggen , or see an even bigger version was taken by Randy Halverson of DakotaLapse.com whose photos have been featured here on the BABlog many times see Related Posts below He took this one on the evening of July 19, 2012 as part of a time lapse he’s making . The vast Milky Way galaxyMSM tackles the need to explore… and gets it very right
Updated: 2012-07-21 14:00:42Subscribe Today Renew Give a Gift Archives Customer Service Facebook Twitter Newsletter SEARCH Health Medicine Mind Brain Technology Space Human Origins Living World Environment Physics Math Video Photos Podcast RSS Repost : What Apollo means to me Raging clouds , near and very , very far MSM tackles the need to explore and gets it very right BABloggee Steven Avery on Twitter sent me a link to a story about astronomy done on MSNBC and it’s great Seriously , it’s worth the 11:30 to watch it . They show not just what we’re doing , but why we’re doing it It’s rare for any mainstream medium to cover this well , but it’s extraordinary that they delve into the philosophy and sheer joy of . exploration You may need to refresh this page to get the video to load . Visit NBCNews.com for breaking1 million Earths
Updated: 2012-07-14 17:26:00Astronomy Blog You are : in Astronomy Blog archive 1 million Earths An astronomy blog usually but not always based in the UK . Pondering questions such as What is in an exoplanet name 1 million Earths Have you ever tried to visualize how many Earth's would fit in the Sun The Sun's diameter is roughly 100 times larger than the Earth's so , in volume , that means around 100x100x100 1 million Earth's fit within the Sun . 1 million is a large number and can be tricky to imagine . The Universe Awareness Project in Germany have created this ball of Earth's to show exactly . that Each small blue ball represents the Earth . The plastic sphere represents the Sun . : CREDIT UNAWE DE Stuart Tags : Sun Earth visualization outreach UNAWE Posted in astro blog by Stuart on Saturday 14th Jul 2012 17:26Massive discovery
Updated: 2012-07-04 22:55:00Thanks to years of effort by people on CMS, ATLAS and the LHC, a Higgs-like particle has been found at CERN. That is the last missing part of the Standard Model. As the head of CERN said, next on the list for physicists is the "dark" Universe. Exciting times. - taken from Astronomy Blog (www.strudel.org.uk/blog/astro/)