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IARU HF World Championship


Contest Objective: To support amateur self-training in radiocommunications including improving amateur operating skills, conducting technical investigations, and intercommunicating with other amateurs around the world, especially IARU member society headquarters stations, using the 160, 80, 40, 20, 15 and 10 meter bands.

Dates: The second full weekend of July (July 13-14, 2024).

Contest Period: Begins 1200 UTC Saturday and runs through 1159 UTC Sunday. Both Single and Multioperator stations may operate the entire 24-hour period.

Click here for the complete IARU HF World Championship Rules (PDF)

For contest information contact or (860) 594-0232


IARU member society HQ stations, such as W1AW, send signal report and official IARU member society abbreviation as listed on the IARU website at IARU International Secretariat club station NU1AW counts as a HQ station, and sends "IARU". Members of the IARU Administrative Council and the three IARU regional Executive committees send “AC,” “R1,” ”R2,” and “R3” as appropriate.

All others send signal report and ITU zone.

ITU Zone Map

Log Submission Deadline

Logs are due within SEVEN (7) days after the event is over. Logs may be submitted either online or via mail, but electronic Cabrillo logs are the preferred method. Electronic logs must be submitted via our web app at

Logs that have been submitted electronically are listed on the Logs Received page. Click the contest name to see a list of submitted logs sorted by call sign and club name.

Online Log Submission - Cabrillo formatted logs must be uploaded via our web app at

Submitting Paper Logs By Mail - Be sure to mail your completed Summary Sheet and Log Sheets (include a dupe sheet if over 500 QSOs) postmarked before the log submission deadline to: IARU HF Contest Logs c/o IARU International Secretariat, Box 310905, Newington, CT 06111-0905 USA. 

IARU HF Summary Sheet: PDF file

Log Sheet: PDF file

If submitting a paper log, it is strongly suggested you use a delivery method that offers a tracking number.

If you wish to convert your log into a Cabrillo formatted log for electronic submission, visit and select the event of interest. You can input your log data which will be converted to a Cabrillo formatted log for you (it will generate a log and return it to you), and then you can in turn submit your Cabrillo log online via the web app at


Certificates will be awarded to the high scoring entry in each category in each ITU zone, each DXCC country and each ARRL Section.

Certificates of participation will be awarded to all IARU member society HQ stations. Achievement level awards will be issued to those making at least 250 QSOs or having a multiplier total of 75 or more.

Printable certificates will be downloadable from

Additional awards may be made at the discretion of each country’s IARU member society.

Additional Information

  • ITU Zone Borders for the US and Canada

    ITU Zone    Prefix    Location
    06          W-K-N-A   U.S.A. (Washington, Oregon,
                          California, Nevada, Idaho,
                          & that part of Montana,
                          Utah & Arizona west of
                          110 Deg. W.)
    07          W-K-N-A   U.S.A. (N. Dakota, S. Dakota,
                          Nebraska, Wyoming, Colorado, 
                          New Mexico, Texas, Oklahoma,
                          Kansas, Iowa, Minnesota, that
                          part of Utah & Arizona East
                          of 110 Deg. W., & that part
                          of Michigan, part of Montana
                          Illinois, Missouri, Arkansas,
                          Tennessee, Mississippi,
                          Louisiana & Wisconsin west
                          of 90 Deg. W.)
    08          W-K-N-A   U.S.A. (Indiana, Alabama,
                          Georgia, Florida, Virginia,
                          Kentucky, N. Carolina, S.
                          Carolina, West Virginia, 
                          Maryland, Delaware, Ohio,
                          Pennsylvania, New Jersey, New
                          York, Maine, Connecticut,
                          Rhode Island, Massachusetts,
                          New Hampshire, Vermont, &
                          that part of Michigan, Illinois,
                          Missouri, Arkansas, Mississippi,
                          Tennessee, Louisiana &
                          Wisconsin east of 90 Deg. W.)
    01          KL7       Alaska (West of 141 Deg. W.)


    02          KL7       Alaska (East of 141 Deg. W.)
                VE6,7,VY1 Canada (South of 80 Deg. N. and
                          West of 110 Deg. W.)
    03          VE3,4,5,8 Canada (South of 80 Deg. N. and
                          between 90 Deg. and 110 Deg. W.)
                          Includes western area of 
                          Ontario North section
    04          Pieces    Canada (South of 80 Deg. N. and
                of VY0    between 70 Deg. and 90 Deg. W.
                VE2,3,4,8 including Baffin Isl.)
                          Includes Ontario East, Ontario South & Greater 
                          Toronto Area sections and eastern part of 
                          Ontario North section 
    09          FP        St. Pierre et Miquelon
                VY2,VO2,  Canada (South of 80 Deg. N. &
                VO1       East of 70 Deg. W., including
                Pieces    Labrador, Newfoundland, Nova
                of VY0    Scotia, but excluding Baffin
    75          VE8       Canada (80 Deg. N. to 90 Deg. N.,
                          North Pole)


  • Feedback

    Tell us how you did! Send us feedback and photos!  Tell us what fun you had, and how you did, what challenges you faced, via our contest Soapbox page.  

    Send us your photos!   Please, send us your high-resolution photos – especially youth!  Kids (and us adults wanting to regain our youth!)  We love to see activity photos – Kids and adults having fun, operating, setting up antennas!  For higher resolution, please send your photos as 500kb to 3mb in size. ARRL is always looking for youth activity photos for Write-Ups, Strays and Upfront in QST!

    Please be sure to send a Photo Release for each person shown when submitting youth photos - found at

  • Past Results

Full Contest Rules

Click here for the complete IARU HF World Championship Rules (PDF)


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