Uploaded July 2022 | Updated September 2026, 6 days ago
The IARU International HF Championship contest always occurs during the second full weekend in July. It begins at 1200 or noon UTC on Saturday and goes through 1159, or noon UTC on Sunday.
This video gives a very brief background on the IARU and a high-level review of the rules for this contest.
Here is a link to the IARU web-site if you’d like to do more research into this organization.
iaru.org
And here are a few links to help you with the contest.
ARRL Contest Web-Page: arrl.org/iaru-hf-world-championship
Complete Contest Rules: contests.arrl.org/ContestRules/IARU-HF-Rules.pdf
Contest Log Submission Page: contest-log-submission.arrl.org
US and Canadian ITU Zones:
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
VE1,2
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
Isl.)
75 VE8 Canada (80 Deg. N. to 90 Deg. N.,
North Pole)
Lists of Contest Software: dxzone.com/catalog/Software/Contesting
UTC Calculator: savvytime.com/converter/utc
Chapters:
00:01 Introduction
00:23 A brief History of the IARU
03:21 Rules
10:15 Summary and End Notes
Thanks for watching. Please don’t forget to Like, Share, Comment, and Subscribe.
73 de Tom, ND3N
The IARU International HF Championship contest always occurs during the second full weekend in July. It begins at 1200 or noon UTC on Saturday and goes through 1159, or noon UTC on Sunday.
This video gives a very brief background on the IARU and a high-level review of the rules for this contest.
Here is a link to the IARU web-site if you’d like to do more research into this organization.
iaru.org
And here are a few links to help you with the contest.
ARRL Contest Web-Page: arrl.org/iaru-hf-world-championship
Complete Contest Rules: contests.arrl.org/ContestRules/IARU-HF-Rules.pdf
Contest Log Submission Page: contest-log-submission.arrl.org
US and Canadian ITU Zones:
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
VE1,2
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
Isl.)
75 VE8 Canada (80 Deg. N. to 90 Deg. N.,
North Pole)
Lists of Contest Software: dxzone.com/catalog/Software/Contesting
UTC Calculator: savvytime.com/converter/utc
Chapters:
00:01 Introduction
00:23 A brief History of the IARU
03:21 Rules
10:15 Summary and End Notes
Thanks for watching. Please don’t forget to Like, Share, Comment, and Subscribe.
73 de Tom, ND3N










