It is currently Mon Sep 01, 2014 9:55 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.
    84 Topics
    142 Posts
    Last post by radio-tuber View the latest post
    Tue Dec 24, 2013 8:25 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.
    46 Topics
    102 Posts
    Last post by Jerry View the latest post
    Fri Nov 25, 2011 4:56 am
  • Aurora-mode Propagation
    Discussion about Aurora and Aurora-related modes of propagation.
    8 Topics
    20 Posts
    Last post by K5TEN View the latest post
    Wed Jul 29, 2009 12:45 am
  • Meteor-scatter Propagation
    Discussion of all meteor-related propagation modes.
    6 Topics
    10 Posts
    Last post by Jerry View the latest post
    Sun Dec 11, 2011 3:20 pm
  • Sporadic-E and E-layer Propagation
    Discussion regarding Sporadic-E (Es) and E-Layer propagation.
    3 Topics
    3 Posts
    Last post by K5TEN View the latest post
    Tue Dec 02, 2008 2:57 am
  • NVIS
    Discussion on Near Vertical Incidence Skywave (NVIS) techniques, propagation, and so forth.
    3 Topics
    10 Posts
    Last post by radio-tuber View the latest post
    Tue Dec 24, 2013 8:11 am
  • Top Band Propagation (Medium Wave)
    Discussion about Medium Wave and 160-meter propagation.
    2 Topics
    12 Posts
    Last post by K5TEN View the latest post
    Sat Nov 15, 2008 11:55 pm
  • 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
    Fri Oct 17, 2003 8:18 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
    Sat Aug 07, 2004 9:36 pm
  • Wanted to buy
    List items that you are looking for and are willing to buy.
    0 Topics
    0 Posts
    No posts
     
  • For Sale
    List the items that you have for sale (non-commercial only).
    0 Topics
    0 Posts
    No posts
     
  • Digital Modes
    PSK31, RTTY, and so forth: Discussion, tips, schedules, and the like.
    8 Topics
    21 Posts
    Last post by kb9gig View the latest post
    Fri Apr 29, 2011 9:05 pm
  • Transmitting and Receiving Antennas
    All about Antennas - designing, construction, deployment, and so on.
    11 Topics
    24 Posts
    Last post by radio-tuber View the latest post
    Mon Nov 18, 2013 7:01 am
  • Operating Skills, Techniques, and Procedures
    What are Q signals? How do you call CQ? How are pile-ups worked? What sort of 'manners' should we have on the air? Why use phonetics?

    These are the types of topics that are discussed in this forum. Please be polite.
    1 Topics
    1 Posts
    Last post by Jerry View the latest post
    Mon Apr 30, 2012 8:05 pm
  • Contesting Operation
    How do you contest? Tips, tricks, experiences.
    Moderator: n6hb
    9 Topics
    14 Posts
    Last post by Jerry View the latest post
    Sun Jan 15, 2012 5:58 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.
    21 Topics
    74 Posts
    Last post by NW7US View the latest post
    Tue Nov 19, 2013 7:08 am
  • QRP - low power
    Backpacking and QRP operations are the topics here.
    2 Topics
    7 Posts
    Last post by Jerry View the latest post
    Fri Nov 25, 2011 2:56 pm
  • Mobile
    All about Mobile operation, installation, trouble-shooting, and so forth.
    5 Topics
    9 Posts
    Last post by Needaclue View the latest post
    Fri Jun 07, 2013 12:59 pm
  • CW (Morse Code)
    CW discussion. From learning, and improving CW skills, to discussion of keys and equipment, and operation.
    9 Topics
    23 Posts
    Last post by JesperThusgaard View the latest post
    Fri Dec 20, 2013 5:23 am
  • Amateur Radio Equipment Discussion
    Discussion about radio receivers, transmitters, transceivers, homebrew or commercial, amplifiers, and accessories.
    12 Topics
    28 Posts
    Last post by SeansPuppet View the latest post
    Sun Dec 01, 2013 8:19 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.
    105 Topics
    413 Posts
    Last post by Underwat3r View the latest post
    Mon Feb 17, 2014 9:35 am
  • 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).
    40 Topics
    174 Posts
    Last post by Jerry View the latest post
    Thu May 24, 2012 2:56 pm
  • Medium Wave Listening
    Discussion about MW (500 to 3000 kHz) - especially AM broadcasting band DXing.
    13 Topics
    53 Posts
    Last post by Jerry View the latest post
    Mon May 21, 2012 3:29 pm
  • Longwave Listening
    Discussion about Longwave Radio and associated topics. Longwave is from 30 kHz to 500 kHz, for the sake of this forum.
    4 Topics
    19 Posts
    Last post by Jerry View the latest post
    Sun Jan 08, 2012 12:14 am
  • Shortwave Radio Equipment
    Discussions on restoration of Shortwave Receivers, grounding, tuning, and so forth.
    46 Topics
    229 Posts
    Last post by swnz View the latest post
    Wed Mar 27, 2013 9:59 pm
  • Site Feedback and Comments
    Suggestions, error reports, comments, and so forth, about HFRadio.org
    9 Topics
    22 Posts
    Last post by NW7US View the latest post
    Tue Jan 17, 2012 6:11 pm

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