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It is currently Tue Jul 08, 2008 8:08 pm

  • General Propagation Observations
    Post your observations about the day's conditions - like hot Sporadic-E openings, or perhaps the complete shutdown of the HF spectrum due to a solar flare. This is the place to share your reports on the "real world" conditions.
    72 Topics
    118 Posts
    Last post by YO2NAA View the latest post
    on Fri Feb 22, 2008 7:06 am
  • Questions and Answers about Propagation
    General "Science" forum - where you may ask questions about the science of propagation, as well as help answer the technical questions regarding propagation.
    41 Topics
    91 Posts
    Last post by NW7US View the latest post
    on Mon Jun 02, 2008 6:58 pm
  • Aurora-mode Propagation
    Discussion about Aurora and Aurora-related modes of propagation.
    6 Topics
    11 Posts
    Last post by ku4a View the latest post
    on Fri Feb 24, 2006 2:46 pm
  • Meteor-scatter Propagation
    Discussion of all meteor-related propagation modes.
    2 Topics
    4 Posts
    Last post by YO2NAA View the latest post
    on Wed May 28, 2008 6:52 am
  • Sporadic-E and E-layer Propagation
    Discussion regarding Sporadic-E (Es) and E-Layer propagation.
    2 Topics
    2 Posts
    Last post by NW7US View the latest post
    on Thu Nov 20, 2003 1:15 pm
  • NVIS
    Discussion on Near Vertical Incidence Skywave (NVIS) techniques, propagation, and so forth.
    2 Topics
    9 Posts
    Last post by VE2-FFP View the latest post
    on Mon Nov 26, 2007 7:37 pm
  • Top Band Propagation (Medium Wave)
    Discussion about Medium Wave and 160-meter propagation.
    2 Topics
    11 Posts
    Last post by AmericanDXer View the latest post
    on Sat Aug 19, 2006 10:20 am
  • VHF/UHF Propagation
    VHF/UHF general discussion. Using digital modes on VHF/UHF, path loss, gain, noise, and so forth.
    1 Topics
    6 Posts
    Last post by ku4a View the latest post
    on Fri Oct 17, 2003 1:18 pm
  • Other Modes of Propagation
    I will split discussions created here, into their own areas, if there is enough traffic to warrent the split. Examples of other modes include TE (trans-equitorial) propagation, backscatter, and so forth.
    1 Topics
    4 Posts
    Last post by $0n@R View the latest post
    on Sat Aug 07, 2004 2:36 pm
  • General Shortwave Radio Discussions
    General SWLing forum. Topics include the reception of International Broadcast Stations, Utility Stations, and other HF signals, and so forth.
    59 Topics
    235 Posts
    Last post by pcg View the latest post
    on Mon May 19, 2008 8:20 pm
  • Loggings
    Post your general SWLing logs here. Catch a rare one? Let us know. I will purge a listing after about 180 days.
    0 Topics
    0 Posts
    No posts
  • SWLing Antennas
    Discussion about Receiving Antenna (design, construction, use, and so forth).
    24 Topics
    109 Posts
    Last post by SWDxer View the latest post
    on Thu May 17, 2007 8:18 am
  • Medium Wave Listening
    Discussion about MW (500 to 3000 kHz) - especially AM broadcasting band DXing.
    9 Topics
    40 Posts
    Last post by AmericanDXer View the latest post
    on Thu Aug 03, 2006 3:24 pm
  • Longwave Listening
    Discussion about Longwave Radio and associated topics. Longwave is from 30 kHz to 500 kHz, for the sake of this forum.
    1 Topics
    13 Posts
    Last post by AmericanDXer View the latest post
    on Wed Jul 19, 2006 4:05 pm
  • Shortwave Radio Equipment
    Discussions on restoration of Shortwave Receivers, grounding, tuning, and so forth.
    28 Topics
    151 Posts
    Last post by John Dokulil View the latest post
    on Thu Oct 18, 2007 12:02 am
  • Transmitting and Receiving Antennas
    All about Antennas - designing, construction, deployment, and so on.
    4 Topics
    9 Posts
    Last post by NW7US View the latest post
    on Sat May 17, 2008 11:27 pm
  • Contesting Operation
    How do you contest? Tips, tricks, experiences.
    Moderator: n6hb
    7 Topics
    8 Posts
    Last post by NW7US View the latest post
    on Sun Jul 23, 2006 8:26 pm
  • General Amateur Radio Discussion / Questions and Answers
    General Amateur Radio Discussions - if topics become popular, I will create individual form areas. In the meantime, post the general topics here.
    10 Topics
    43 Posts
    Last post by NW7US View the latest post
    on Sun Jul 16, 2006 3:29 pm
  • QRP - low power
    Backpacking and QRP operations are the topics here.
    1 Topics
    4 Posts
    Last post by WX9T View the latest post
    on Mon Oct 03, 2005 4:51 pm
  • Mobile
    All about Mobile operation, installation, trouble-shooting, and so forth.
    2 Topics
    6 Posts
    Last post by Litzendraht View the latest post
    on Mon Nov 28, 2005 12:26 am
  • Digital Modes
    PSK31, RTTY, and so forth: Discussion, tips, schedules, and the like.
    3 Topics
    8 Posts
    Last post by WX9T View the latest post
    on Tue Jan 24, 2006 4:43 pm
  • CW (Morse Code)
    CW discussion. From learning, and improving CW skills, to discussion of keys and equipment, and operation.
    3 Topics
    6 Posts
    Last post by Litzendraht View the latest post
    on Mon Nov 21, 2005 7:30 pm
  • Amateur Radio Equipment Discussion
    Discussion about radio receivers, transmitters, transceivers, homebrew or commercial, amplifiers, and accessories.
    5 Topics
    10 Posts
    Last post by NW7US View the latest post
    on Mon Aug 21, 2006 6:18 pm
  • Site Feedback and Comments
    Suggestions, error reports, comments, and so forth, about HFRadio.org
    6 Topics
    18 Posts
    Last post by NW7US View the latest post
    on Tue May 09, 2006 5:56 pm

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