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The NAQCC December 2026 Challenge NAQCC Monthly Challenges are originated and information regarding rules, ideas, or suggestions go to Gary K1YAN. Email him at  .Challenge results and the Challenge App (the online Challenge tracking and reporting application) is administered by Charlie N1AOK. Email him with any questions at  PLEASE SEND ALL CHALLENGE SUBMISSIONS TO CHARLIE!!! (If you use the online Challenge App, it will automatically send it to him). LINKS: Challenge App: http://naqcc.wb5rvz.org Challenge Worksheet: challenge_tracker.pdf OPERATION PLUTO  PREMISE: The D Day invasion is coming and thousands of vehicles will need huge amounts of fuel on a daily basis. Tankers could deliver the required supplies but they and the huge fuel depots needed for storage are at the mercy of weather and attacks by the enemy. Admiral Louis Mountbatten had an idea. An underwater pipeline would be safely out of sight and supply fuel as needed, without above ground storage depots. Operation Pluto, Pipeline Under The Ocean, was developed under the guidance of the chief engineer of the Anglo-Iranian Oil Company, Arthur Hartley. Pipeline design began in 1942. There were delays and problems but workable designs were finally created. The first two pipeline installations from England to France began operation in August of 1944. They were code named Dumbo and Bambi. Pumping stations for the pipeline were disguised as houses, garages and various other structures, including an ice cream shop. Seventeen pipelines were in service by December. By May of 1945 the PLUTO system had provided over 172 million gallons of fuel. The PLUTO system made a major contribution to the Allied war effort and helped to prevent the stalling and perhaps the ultimate failure of the D Day invasion. In addition to this accomplishment, PLUTO was the first undersea oil pipeline in the world to operate. TIME FRAME: The first day of the month 0000Z through the last day of the month 2400Z. RULES: Just make these words from calls of stations you work, subject to the General Challenge Rules. D DAY FUEL OPERATION PLUTO LOUIS MOUNTBATTEN ARTHUR HARTLEY DUMBO AND BAMBI DISGUISED PUMPING STATIONS The 88 total letters contain these 18 different letters: A B D E F G H I L M N O P R S T U Y You can use each letter in a call TWICE. For example you could use K3WWP for 2 K's, 4 W's, and 2 P's. Subsequent QSO's with the same station cannot be used for additional letters. For example, no matter how many times you work K3WWP, you can only use his call for 8 of the letters in the words. See General Rule #5 for more details on what callsign letters can be used. If you need some help with your alphabet challenge record keeping take a look at our Alphabet Tutorial page for everything from some great pencil & paper methods to fully computerized tools. AWARDS: A certificate and Participation Point go to everyone making all the words and submitting their report before the deadline. A Participation Point goes to everyone making at least 1, but not all the words and submitting their report before the deadline. YOU MUST COMPLETE AND SUBMIT AT LEAST ONE WORD TO RECEIVE A PARTICIPATION POINT! LOGS: For your report, list the words you made and the station used for each letter in the word. The number of stations listed must be the same as the number of letters in each word, even though you use the same station for more than one letter as in: WORD - K3WWP N2OD WA8REI N2OD NEXT - NF8M W8REI N8XMS K9EYT (Note how N2OD is listed for both the O and D.) You may also include comments about the challenge. Please preface any comments you want posted with "SOAPBOX:" so we will know what you want posted and what is private. Send your results as text in the horizontal format shown above to Charlie N1AOK at: charlie.wilber AT gmail.com (You must type that address into your email program.) Subject must read: (your call) NAQCC (month year) Challenge For example: K3WWP NAQCC December 2026 Challenge All entries must be RECEIVED before the 10th of the following month at 2400Z. |