June 4, 2025

Editor: Paul Bourque, N1SFE

In this Issue:

• Upcoming Contests – Things to Do
• Bulletins
• Contest Summary
• Sights and Sounds
• Results and Records
• Technical Topics and Discussion
• Contests
• Log Due Dates

The Kentucky QSO Party begins at 1300 UTC on Saturday, June 7 and concludes at 0100 UTC on Sunday, June 8. Kentucky stations can work all stations. Stations outside of Kentucky can only contact stations located in Kentucky. Visit www.kyqsoparty.org for complete rules.

Atlantic Canada QSO Party

The Atlantic Canada QSO party begins at 1200 UTC on Saturday, June 7 and concludes at 0200 UTC on Sunday, June 8. Stations located in the Atlantic Canadian provinces (Newfoundland and Labrador, Prince Edward Island, New Brunswick and Nova Scotia) can work all stations. Stations located elsewhere can only contact stations located in the Atlantic Canadian provinces. Visit www.acqp.ca for complete rules.

ARRL International Digital Contest

The ARRL International Digital Contest occurs during the first full weekend of June (June 7 – 8, 2025). All digital modes, except RTTY, are allowed in the event. In addition to the event being eligible for the ARRL Affiliated Club Competition, a team competition consisting of teams of two to five Single Operator stations is also available. Teams must be registered before the start of the event at contests.arrl.org/teamreg.php?eid=31. For full rules, visit www.arrl.org/arrl-digital-contest.

ARRL June VHF Contest

the ARRL June VHF Contest kicks off the summer VHF contest season next weekend beginning at 1800 UTC on Saturday, June 14, and concluding at 0259 UTC on Monday, June 16. The contest exchange is your four-digit Maidenhead grid square. For more information on grid squares, visit www.arrl.org/grid-squares. Complete contest rules are available at www.arrl.org/june-vhf.

Slide decks of the presentations from 2025 Contest University have now been posted on the Contest University web site at www.contestuniversity.com/files.

– Thanks to Tim Duffy, K3LR

• Walk for the Bacon QRP Contest
• CWops Test (CWT)
• NRAU 10m Activity Contest
• SKCC Sprint Europe

June 6

• NCCC FT4 Sprint
• Weekly RTTY Test
• NCCC Sprint
• HA3NS Sprint Memorial Contest
• K1USN Slow Speed Test

June 7

• 10-10 International Open Season PSK Contest
• VK Shires Contest
• Tisza Cup CW Contest
• Wake-Up! QRP Sprint
• Atlantic Canada QSO Party
• UKSMG Summer Contest
• Kentucky QSO Party
• IARU Region 1 Field Day, CW
• RSGB National Field Day
• ARRL International Digital Contest

June 9

• 4 States QRP Group Second Sunday Sprint
• K1USN Slow Speed Test
• ICWC Medium Speed Test
• OK1WC Memorial (MWC)

June 10

• Worldwide Sideband Activity Contest
• ICWC Medium Speed Test
• DARC CW-Training Contest

June 11

• NAQCC CW Sprint
• Phone Weekly Test
• A1Club AWT
• CWops Test (CWT)
• VHF-UHF FT8 Activity Contest
• Mini-Test 40
• Mini-Test 80
• RSGB 80m Club Championship, CW

June 12

• CWops Test (CWT)

June 13

• NCCC FT4 Sprint
• Weekly RTTY Test
• NCCC Sprint
• K1USN Slow Speed Test

June 14

• YB ORARI DX Contest
• Asia-Pacific Sprint, SSB
• SKCC Weekend Sprintathon
• Portugal Day Contest
• AGCW VHF/UHF Contest
• REF DDFM 6m Contest
• GACW WWSA CW DX Contest
• ARRL June VHF Contest

June 15

• Run for the Bacon QRP Contest

June 16

• K1USN Slow Speed Test
• SARL Youth QSO Party
• ICWC Medium Speed Test
• OK1WC Memorial (MWC)
• RSGB FT4 Contest

June 17

• Worldwide Sideband Activity Contest
• ICWC Medium Speed Test

June 18

• NAQCC CW Sprint
• Phone Weekly Test
• A1Club AWT
• CWops Test (CWT)
• VHF-UHF FT8 Activity Contest
• Mini-Test 40
• Mini-Test 80

Tim Duffy, K3LR, shared a video of the 2025 Contest University presentations given at the Hope Hotel in Dayton, Ohio on May 14. Presenters included Doug Grant, K1DG; Anthony Willard, AB9YC; Katherine Campbell, KE8LQR; Jim Hall, AD4EB; Tamitha Mulligan-Skov, WX6SWW; Bob Wilson, N6TV; Frank Donovan, W3LPL, and Bob Sherwood, NC0B.

You can view the video at https://www.youtube.com/watch?v=MuUvkzgUqBg. More information about Contest University is available at www.contestuniversity.com.

The 2025 ARRL January VHF Contest results have been released and are available at contests.arrl.org/janvhf. Online scores, line scores, soapbox comments, and photos are available on the website. Downloadable certificates are available by clicking on the “Certificates” tab at the top of the web page. The full results article by James Duffey, KK6MC will be available shortly.

2025 7th Call Area QSO Party Results

The 2025 7th Call Area QSO Party (7QP) results are now available at www.7QP.org. The event organizers thank all those who participated in and showed support for the event.

– Thanks to Dick Frey, K4XU

2025 Georgia QSO Party Results

The 2025 Georgia QSO Party (GAQP) results have been published at gaqsoparty.com. The event organizers thank everyone who participated this year and look forward to the next GAQP in April 2026.

– Thanks to Jeff Clarke, KU8E

Canadian Prairies QSO Party Results

Results from the Canadian Prairies QSO Party have been published at cpqp.ve6hams.ca/scores-2025. Plaque winners are listed under the awards tab at the top of the page. Certificates will be available to download on or around June 6.

– Thanks to Bart Ritchie, VE5CPU

2025 CQ WPX CW Contest Raw Scores

Raw scores for the 2025 CQ WPX CW contest are now available at www.cqwpx.com/raw.htm?mode=cw. Over 5,800 logs were received this year.

Raw scores are calculated prior to log checking. This should give participants a good indication of their category placement at the world, continent, or country level. Participants are reminded to check that their entry is in the correct category. Report any errors to cqwpx.com/contact.

– Thanks to Bud Trench, AA3B

Gary Abercrombie, N8CQ, has released an update of his popular WinTrak EME tracking system for Raspberry Pi 4 and 5 users. Version 2.32 is available for download at n8cq.com.

73, Paul, N1SFE

An expanded, downloadable version of QST‘s Contest Corral is available as a PDF. Check the sponsors’ website for information on operating time restrictions and other instructions.

Walk for the Bacon QRP Contest, Jun 5, 0000z to Jun 6, 0300z; CW; Bands: 40; Maximum 13 wpm, RST + (state/province/country) + Name + (Member No./power); Logs due: Jun 12.

CWops Test (CWT), Jun 5, 0300z to Jun 5, 0400z; CW; Bands: 160, 80, 40, 20, 15, 10; Member: Name + Member No./”CWA”, non-Member: Name + (state/province/country); Logs due: Jun 7.

CWops Test (CWT), Jun 5, 0700z to Jun 5, 0800z; CW; Bands: 160, 80, 40, 20, 15, 10; Member: Name + Member No./”CWA”, non-Member: Name + (state/province/country); Logs due: Jun 7.

NRAU 10m Activity Contest, Jun 5, 1800z to Jun 5, 2200z; CW, SSB, FM, Digital; Bands: 10; RS(T) + 6-character grid square; Logs due: Jun 19.

SKCC Sprint Europe, Jun 5, 1900z to Jun 5, 2100z; CW; Bands: 160, 80, 40, 20, 15, 10, 6; RST + (state/province/country) + Name + (SKCC No./”NONE”); Logs due: Jun 12.

NCCC FT4 Sprint, Jun 6, 0100z to Jun 6, 0130z; FT4; Bands: (see rules); 4-character grid square; Logs due: Jun 8.

Weekly RTTY Test, Jun 6, 0145z to Jun 6, 0215z; RTTY; Bands: 80, 40, 20, 15, 10; Name + (state/province/country); Logs due: Jun 8.

NCCC Sprint, Jun 6, 0230z to Jun 6, 0300z; CW; Bands: (see rules); Serial No. + Name + QTH; Logs due: Jun 8.

HA3NS Sprint Memorial Contest, Jun 6, 1900z to Jun 6, 1959z; CW; Bands: 80, 40; HACWG Members: RST + Membership No., non-Members: RST + NM; Logs due: Jun 13.

K1USN Slow Speed Test, Jun 6, 2000z to Jun 6, 2100z; CW; Bands: 160, 80, 40, 20, 15, 10; Maximum 20 wpm, Name + (state/province/country); Logs due: Jun 8.

10-10 International Open Season PSK Contest, Jun 7, 0000z to Jun 8, 2359z; PSK31; Bands: 10; Name + (state/province/country) + organization membership numbers; Logs due: Jun 16.

VK Shires Contest, Jun 7, 0000z to Jun 7, 2359z; CW, SSB; Bands: 160, 80, 40, 20, 15, 10; VK: RS(T) + Shire, non-VK: RS(T) + CQ Zone; Logs due: Jul 1.

Tisza Cup CW Contest, Jun 7, 0200z to Jun 7, 1459z; CW; Bands: 160, 80, 40, 20, 15, 10; RST + CQ Zone No.; Logs due: Jun 12.

Wake-Up! QRP Sprint, Jun 7, 0600z to Jun 7, 0800z; CW; Bands: 40, 20; RST + Serial No. + suffix of previous QSO (“QRP” for 1st QSO); Logs due: Jun 14.

Atlantic Canada QSO Party, Jun 7, 1200z to Jun 8, 0200z; CW, Phone; Bands: 80, 40, 20, 15, 10; VE1/9,VO1/2,VY2: RS(T) + province + county/division, Non-VE1/9,VO1/2,VY2: RS(T) + (state/province/”DX”); Logs due: Jun 23.

UKSMG Summer Contest, Jun 7, 1300z to Jun 8, 1300z; not specified; Bands: 6; RST + Serial No. + 6-character grid square + (optional UKSMG member no.); Logs due: Jun 22.

Kentucky QSO Party, Jun 7, 1300z to Jun 8, 0100z; CW, Phone, RTTY; Bands: 160, 80, 40, 20, 15, 10, 6, 2; KY: RS(T) + county, non-KY: RS(T) + (state/province/”DX”); Logs due: Jun 30.

IARU Region 1 Field Day, CW, Jun 7, 1500z to Jun 8, 1459z; CW; Bands: 160, 80, 40, 20, 15, 10; RST + Serial No.; Logs due: Jun 15.

RSGB National Field Day, Jun 7, 1500z to Jun 8, 1500z; CW; Bands: 160, 80, 40, 20, 15, 10; RST + Serial No.; Logs due: Jun 13.

ARRL International Digital Contest, Jun 7, 1800z to Jun 8, 2359z; Digital (no RTTY); Bands: 160, 80, 40, 20, 15, 10, 6; 4-character grid square; Logs due: Jun 15.

4 States QRP Group Second Sunday Sprint, Jun 9, 0000z to Jun 9, 0200z; CW, SSB; Bands: 160, 80, 40, 20, 15, 10; Member: RS(T) + (State/Province/Country) + Member No., Non-member: RS(T) + (State/Province/Country) + Power; Logs due: Jun 11.

K1USN Slow Speed Test, Jun 9, 0000z to Jun 9, 0100z; CW; Bands: 160, 80, 40, 20, 15, 10; Maximum 20 wpm, Name + (state/province/country); Logs due: Jun 11.

ICWC Medium Speed Test, Jun 9, 1300z to Jun 9, 1400z; CW; Bands: 160, 80, 40, 20, 15, 10; Name + QSO No.; Logs due: Jun 12.

OK1WC Memorial (MWC), Jun 9, 1630z to Jun 9, 1729z; CW; Bands: 80, 40; RST + Serial No.; Logs due: Jun 13.

ICWC Medium Speed Test, Jun 9, 1900z to Jun 9, 2000z; CW; Bands: 160, 80, 40, 20, 15, 10; Name + QSO No.; Logs due: Jun 12.

Worldwide Sideband Activity Contest, Jun 10, 0100z to Jun 10, 0159z; SSB; Bands: 160, 80, 40, 20, 15, 10, 6; RS + age group (OM, YL, Youth YL or Youth); Logs due: Jun 11.

ICWC Medium Speed Test, Jun 10, 0300z to Jun 10, 0400z; CW; Bands: 160, 80, 40, 20, 15, 10; Name + QSO No.; Logs due: Jun 12.

DARC CW-Training Contest, Jun 10, 1800z to Jun 10, 1859z; CW; Bands: 80; DE: RST + DOK/NM, non-DE: RST + Serial No.; Logs due: Jun 17.

NAQCC CW Sprint, Jun 11, 0030z to Jun 11, 0230z; CW; Bands: 80, 40, 20; RST + (state/province/country) + (NAQCC No./power); Logs due: Jun 14.

Phone Weekly Test, Jun 11, 0230z to Jun 11, 0300z; SSB; Bands: 160, 80, 40, 20, 15; NA: Name + (state/province/country), non-NA: Name; Logs due: Jun 13.

A1Club AWT, Jun 11, 1145z to Jun 11, 1300z; CW; Bands: 160, 80, 40, 20, 15, 10; Member: RST + Name; Logs due: Jun 16.

CWops Test (CWT), Jun 11, 1300z to Jun 11, 1400z; CW; Bands: 160, 80, 40, 20, 15, 10; Member: Name + Member No./”CWA”, non-Member: Name + (state/province/country); Logs due: Jun 14.

Mini-Test 40, Jun 11, 1700z to Jun 11, 1759z; CW; Bands: 40; RST + Serial No.; Logs due: Jun 13.

Mini-Test 80, Jun 11, 1800z to Jun 11, 1859z; CW; Bands: 80; RST + Serial No.; Logs due: Jun 13.

RSGB 80m Club Championship, CW, Jun 11, 1900z to Jun 11, 2030z; CW; Bands: 80; RST + Serial No.; Logs due: Jun 12.

CWops Test (CWT), Jun 11, 1900z to Jun 11, 2000z; CW; Bands: 160, 80, 40, 20, 15, 10; Member: Name + Member No./”CWA”, non-Member: Name + (state/province/country); Logs due: Jun 14.

CWops Test (CWT), Jun 12, 0300z to Jun 12, 0400z; CW; Bands: 160, 80, 40, 20, 15, 10; Member: Name + Member No./”CWA”, non-Member: Name + (state/province/country); Logs due: Jun 14.

CWops Test (CWT), Jun 12, 0700z to Jun 12, 0800z; CW; Bands: 160, 80, 40, 20, 15, 10; Member: Name + Member No./”CWA”, non-Member: Name + (state/province/country); Logs due: Jun 14.

NCCC FT4 Sprint, Jun 13, 0100z to Jun 13, 0130z; FT4; Bands: (see rules); 4-character grid square; Logs due: Jun 15.

Weekly RTTY Test, Jun 13, 0145z to Jun 13, 0215z; RTTY; Bands: 80, 40, 20, 15, 10; Name + (state/province/country); Logs due: Jun 15.

NCCC Sprint, Jun 13, 0230z to Jun 13, 0300z; CW; Bands: (see rules); Serial No. + Name + QTH; Logs due: Jun 15.

K1USN Slow Speed Test, Jun 13, 2000z to Jun 13, 2100z; CW; Bands: 160, 80, 40, 20, 15, 10; Maximum 20 wpm, Name + (state/province/country); Logs due: Jun 15.

YB ORARI DX Contest, Jun 14, 0000z to Jun 14, 2359z; SSB; Bands: 80, 40, 20, 15, 10; YB: RS + “ORARI”, non-YB: RS + “DX”; Logs due: Jun 21.

Asia-Pacific Sprint, SSB, Jun 14, 1100z to Jun 14, 1300z; SSB; Bands: 20, 15; RS + Serial No.; Logs due: Jun 21.

SKCC Weekend Sprintathon, Jun 14, 1200z to Jun 15, 2359z; CW; Bands: 160, 80, 40, 20, 15, 10, 6; RST + (state/province/country) + Name + (SKCC No./”NONE”); Logs due: Jun 22.

Portugal Day Contest, Jun 14, 1200z to Jun 15, 1200z; CW, SSB; Bands: 80, 40, 20, 15, 10; CT: RS(T) + District, non-CT: RS(T) + Serial No.; Logs due: Jun 30.

GACW WWSA CW DX Contest, Jun 14, 1500z to Jun 15, 1500z; CW; Bands: 80, 40, 20, 15, 10; RST + CQ Zone No.; Logs due: Jun 30.

Run for the Bacon QRP Contest, Jun 15, 2300z to Jun 16, 0100z; CW; Bands: 160, 80, 40, 20, 15, 10; RST + (state/province/country) + (Member No./power); Logs due: Jun 21.

K1USN Slow Speed Test, Jun 16, 0000z to Jun 16, 0100z; CW; Bands: 160, 80, 40, 20, 15, 10; Maximum 20 wpm, Name + (state/province/country); Logs due: Jun 18.

SARL Youth QSO Party, Jun 16, 1200z to Jun 16, 1300z; SSB; Bands: 40; RS + age; Logs due: Jun 21.

ICWC Medium Speed Test, Jun 16, 1300z to Jun 16, 1400z; CW; Bands: 160, 80, 40, 20, 15, 10; Name + QSO No.; Logs due: Jun 19.

OK1WC Memorial (MWC), Jun 16, 1630z to Jun 16, 1729z; CW; Bands: 80, 40; RST + Serial No.; Logs due: Jun 20.

RSGB FT4 Contest, Jun 16, 1900z to Jun 16, 2100z; FT4; Bands: 80, 40, 20, 15, 10; Signal report; Logs due: Jun 17.

ICWC Medium Speed Test, Jun 16, 1900z to Jun 16, 2000z; CW; Bands: 160, 80, 40, 20, 15, 10; Name + QSO No.; Logs due: Jun 19.

Worldwide Sideband Activity Contest, Jun 17, 0100z to Jun 17, 0159z; SSB; Bands: 160, 80, 40, 20, 15, 10, 6; RS + age group (OM, YL, Youth YL or Youth); Logs due: Jun 18.

ICWC Medium Speed Test, Jun 17, 0300z to Jun 17, 0400z; CW; Bands: 160, 80, 40, 20, 15, 10; Name + QSO No.; Logs due: Jun 19.

NAQCC CW Sprint, Jun 18, 0030z to Jun 18, 0230z; CW; Bands: 80, 40, 20; RST + (state/province/country) + (NAQCC No./power); Logs due: Jun 21.

Phone Weekly Test, Jun 18, 0230z to Jun 18, 0300z; SSB; Bands: 160, 80, 40, 20, 15; NA: Name + (state/province/country), non-NA: Name; Logs due: Jun 20.

A1Club AWT, Jun 18, 1145z to Jun 18, 1300z; CW; Bands: 160, 80, 40, 20, 15, 10; Member: RST + Name; Logs due: Jun 23.

CWops Test (CWT), Jun 18, 1300z to Jun 18, 1400z; CW; Bands: 160, 80, 40, 20, 15, 10; Member: Name + Member No./”CWA”, non-Member: Name + (state/province/country); Logs due: Jun 21.

Mini-Test 40, Jun 18, 1700z to Jun 18, 1759z; CW; Bands: 40; RST + Serial No.; Logs due: Jun 20.

Mini-Test 80, Jun 18, 1800z to Jun 18, 1859z; CW; Bands: 80; RST + Serial No.; Logs due: Jun 20.

CWops Test (CWT), Jun 18, 1900z to Jun 18, 2000z; CW; Bands: 160, 80, 40, 20, 15, 10; Member: Name + Member No./”CWA”, non-Member: Name + (state/province/country); Logs due: Jun 21.

VHF+ CONTESTS

AGCW VHF/UHF Contest, Jun 14, 1400z to Jun 14, 1800z; CW; Bands: 144 MHz, 432 MHz; RST + “/” + Serial No. + “/” Power class + “/” + 6-character grid locator; Logs due: Jun 22.

REF DDFM 6m Contest, Jun 14, 1400z to Jun 15, 1400z; CW, SSB, FM; Bands: 6; RS(T) + Serial No. + 4-character grid square; Logs due: Jun 23.

ARRL June VHF Contest, Jun 14, 1800z to Jun 16, 0259z; All; Bands: 50 MHz and up; 4-character grid square; Logs due: Jun 26.

VHF-UHF FT8 Activity Contest, Jun 11, 1700z to Jun 11, 2100z; FT8/4; Bands: 432 MHz; 4-character grid square; Logs due: Jun 16.

VHF-UHF FT8 Activity Contest, Jun 18, 1700z to Jun 18, 2100z; FT8/4; Bands: 1.2G; 4-character grid square; Logs due: Jun 23.

• ARS Spartan Sprint
• ICWC Medium Speed Test

June 6

• Mini-Test 40
• Russian WW MultiMode Contest
• Mini-Test 80
• Phone Weekly Test
• OK1WC Memorial (MWC)

June 7

• CWops Test (CWT)

June 8

• NCCC Sprint
• PODXS 070 Club Three Day Weekend Contest
• NCCC FT4 Sprint
• Weekly RTTY Test
• K1USN Slow Speed Test

June 9

• A1Club AWT
• VHF-UHF FT8 Activity Contest

June 10

• QRP ARCI Hootowl Sprint

June 11

• 4 States QRP Group Second Sunday Sprint
• Worldwide Sideband Activity Contest
• K1USN Slow Speed Test

June 12

• QRP Minimal Art Session
• SKCC Sprint Europe
• Walk for the Bacon QRP Contest
• ICWC Medium Speed Test
• Tisza Cup CW Contest
• RSGB 80m Club Championship, CW

June 13

• RSGB National Field Day
• HA3NS Sprint Memorial Contest
• Mini-Test 40
• Mini-Test 80
• Phone Weekly Test
• OK1WC Memorial (MWC)

June 14

• Wake-Up! QRP Sprint
• CWops Test (CWT)
• NAQCC CW Sprint

June 15

• IARU Region 1 Field Day, CW
• NCCC Sprint
• NZART Sangster Shield Contest
• NCCC FT4 Sprint
• Weekly RTTY Test
• K1USN Slow Speed Test
• ARRL International Digital Contest

June 16

• PVRC Reunion
• 10-10 Int. Open Season PSK Contest
• A1Club AWT
• VHF-UHF FT8 Activity Contest

June 17

• DARC CW-Training Contest
• RSGB FT4 Contest

June 18

• Worldwide Sideband Activity Contest
• K1USN Slow Speed Test

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