• A low cost morse Trainer / Keyer

    Updated: 2012-02-06 17:49:17
    Technical Reference/KeyersBy Prof. T. K. Mani - VU2ITI

  • Ontario Surplus

    Updated: 2012-02-06 17:49:17
    Shopping and Services/Regional/USALocated in Upstate New York, specialize in unusual surplus equipment, mostly of military origin.

  • High AMP Crowbar Protected PSU

    Updated: 2012-02-06 17:49:17
    Technical Reference/Power SupplyA crowbar protected PSU project by G8MNY

  • Icom OPC-1529R programming cable

    Updated: 2012-02-06 17:49:17
    Technical Reference/Radio Programming CableHome build an OPC-1529R cable, works with IC-91, IC-2200, IC-V82, IC-U82, ID-E880 by MW0GKX.

  • Skin depth and Conductors

    Updated: 2012-02-06 17:49:17
    Technical Reference/ElectronicsArticle about shields, Litz wire, braid, and skin depth. It is still being expanded.

  • RF in the Ham Shack

    Updated: 2012-02-06 17:49:17
    Technical Reference/GroundingHam Station Desk Radio Equipment Ground

  • Common mode current

    Updated: 2012-02-06 17:49:17
    Technical Reference/ElectronicsBalanced and Unbalanced Systems

  • Morse Code at 140 wpm

    Updated: 2012-02-06 17:49:17
    Operating Modes/Morse code/High Speed CWARRL Article on high speed cw

  • The Milky Way’s Magnetic Personality

    Updated: 2012-02-05 03:19:30
    Recently we took a look at a very unusual type of map – the Faraday Sky. Now an international team of scientists, including those at the Naval Research Laboratory, have pooled their information and created one of the most high precision maps to date of the Milky Way’s magnetic fields. Like all galaxies, ours has [...]

  • The week in pictures January 28–February 3, 2012 Astronomy Magazine

    Updated: 2012-02-03 23:18:21
    : CURRENT ISSUE THE MAGAZINE Current Issue Next Issue Back Issues 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 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 Universe Astronomy Events Astronomy Groups Forums

  • The week in pictures January 28–February 3, 2012 Astronomy Magazine

    Updated: 2012-02-03 23:18:20
    : CURRENT ISSUE THE MAGAZINE Current Issue Next Issue Back Issues 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 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 Universe Astronomy Events Astronomy Groups Forums

  • NASA spacecraft returns first video from farside of the Moon Astronomy Magazine

    Updated: 2012-02-03 23:18:19
    CURRENT ISSUE THE MAGAZINE Current Issue Next Issue Back Issues 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 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 Universe Astronomy Events Astronomy Groups Forums

  • NASA spacecraft returns first video from farside of the Moon Astronomy Magazine

    Updated: 2012-02-03 23:18:18
    CURRENT ISSUE THE MAGAZINE Current Issue Next Issue Back Issues 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 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 Universe Astronomy Events Astronomy Groups Forums

  • Hubble zooms in on a magnified galaxy Astronomy Magazine

    Updated: 2012-02-03 23:18:18
    CURRENT ISSUE THE MAGAZINE Current Issue Next Issue Back Issues 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 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 Universe Astronomy Events Astronomy Groups Forums

  • Hubble zooms in on a magnified galaxy Astronomy Magazine

    Updated: 2012-02-03 23:18:17
    CURRENT ISSUE THE MAGAZINE Current Issue Next Issue Back Issues 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 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 Universe Astronomy Events Astronomy Groups Forums

  • Come to Hawaii for the transit of Venus Dave's Universe Astronomy.com Online Community Forums Media

    Updated: 2012-02-03 23:18:13
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  • Come to Hawaii for the transit of Venus Dave's Universe Astronomy.com Online Community Forums Media

    Updated: 2012-02-03 23:18:12
    , , , CURRENT ISSUE THE MAGAZINE Current Issue Next Issue Back Issues 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 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 Universe Astronomy Events Astronomy Groups

  • Sheldon Reynolds’ Images of Life Dave's Universe Astronomy.com Online Community Forums Media Galleri

    Updated: 2012-02-02 23:05:43
    , , , CURRENT ISSUE THE MAGAZINE Current Issue Next Issue Back Issues 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 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 Universe Astronomy Events Astronomy Groups

  • Sheldon Reynolds’ Images of Life Dave's Universe Astronomy.com Online Community Forums Media Galleri

    Updated: 2012-02-02 23:05:42
    , , , CURRENT ISSUE THE MAGAZINE Current Issue Next Issue Back Issues 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 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 Universe Astronomy Events Astronomy Groups

  • Six open clusters in Canis Major Astronomy Magazine

    Updated: 2012-02-02 23:05:41
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  • Six open clusters in Canis Major Astronomy Magazine

    Updated: 2012-02-02 23:05:36
    CURRENT ISSUE THE MAGAZINE Current Issue Next Issue Back Issues 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 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 Universe Astronomy Events Astronomy Groups Forums

  • IBEX illuminates a dark corner of our neighborhood Dave's Universe Astronomy.com Online Community Fo

    Updated: 2012-02-02 01:40:12
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  • IBEX illuminates a dark corner of our neighborhood Dave's Universe Astronomy.com Online Community Fo

    Updated: 2012-02-02 01:40:11
    , , , CURRENT ISSUE THE MAGAZINE Current Issue Next Issue Back Issues 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 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 Universe Astronomy Events Astronomy Groups

  • Astronomy 101 Planets Astronomy Magazine

    Updated: 2012-01-30 21:43:16
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  • Strange yet cool VLA time lapse video

    Updated: 2012-01-30 17:20:30
    I’m sure what I can say about this, except that it’s oddly engaging. I’ve been to VLA*, many years ago to do a video for an educational activity, and I don’t recall seeing them behave quite this way. Maybe I should’ve waited until night time. Tip o’ the side lobe to my pal and science [...]

  • Here’s meteorite in your eye Astronomy.com blog Astronomy.com Online Community Forums Media Gallerie

    Updated: 2012-01-26 15:46:57
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  • Here’s meteorite in your eye Astronomy.com blog Astronomy.com Online Community Forums Media Gallerie

    Updated: 2012-01-26 15:46:56
    , , , CURRENT ISSUE THE MAGAZINE Current Issue Next Issue Back Issues 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 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 Universe Astronomy Events Astronomy Groups

  • It’s all in the instrument renaming Astronomy.com blog Astronomy.com Online Community Forums Media G

    Updated: 2012-01-25 05:05:40
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  • It’s all in the instrument renaming Astronomy.com blog Astronomy.com Online Community Forums Media G

    Updated: 2012-01-25 05:05:39
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  • Catch May's annular eclipse Astronomy Magazine

    Updated: 2012-01-24 07:51:22
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  • The first test of Einstein's gravity Astronomy Magazine

    Updated: 2012-01-23 21:18:58
    CURRENT ISSUE THE MAGAZINE Current Issue Next Issue Back Issues 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 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 Universe Astronomy Events Astronomy Groups Forums

  • See more SOFIA Astronomy Magazine

    Updated: 2012-01-23 21:18:54
    CURRENT ISSUE THE MAGAZINE Current Issue Next Issue Back Issues 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 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 Universe Astronomy Events Astronomy Groups Forums

  • Episode 12 The search for extraterrestrial intelligence Astronomy Magazine

    Updated: 2012-01-20 22:06:49
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  • Kids It’s time to tell us what you love most about astronomy Astronomy.com blog Astronomy.com Online

    Updated: 2012-01-18 05:15:52
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  • Kids It’s time to tell us what you love most about astronomy Astronomy.com blog Astronomy.com Online

    Updated: 2012-01-18 05:15:51
    : , , , CURRENT ISSUE THE MAGAZINE Current Issue Next Issue Back Issues 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 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 Universe Astronomy Events Astronomy Groups

  • Astronomy and NEAF announce the 2012 Youth Essay Contest Astronomy Magazine

    Updated: 2012-01-11 21:54:46
    CURRENT ISSUE THE MAGAZINE Current Issue Next Issue Back Issues 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 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 Universe Astronomy Events Astronomy Groups Forums

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