Four Days In May (FDIM) 2024

Four Days In May (FDIM) 2024

Get ready for a power-packed four days of innovation, learning, and camaraderie at Four Days In May (FDIM) 2024, hosted by the QRP Amateur Radio Club International. From captivating seminars to exciting challenges, here's a sneak peek into what awaits you at this renowned event.

Event Details:

  • Dates: May 16, 2024, to May 19, 2024
  • Location: Holiday Inn, 2800 Presidential Drive, Fairborn, OH 45324
  • Website:
  • Sponsor: QRP Amateur Radio Club International
  • Type: ARRL Convention
  • Public Contact: David Cripe, NM0S
  • Phone: 319-651-5879
  • Email:

Seminar Highlights:

  • Explore "The Construction and Use of a WhosZat" with Jack Purdum W8TEE.
  • Dive into the evolution of CW to SDRs with Ashhar Farhan VU2ESE.
  • Embark on the "Adventures of a QRP Evangelist" with Cliff Batson N4CCB.
  • Discover "Top 10 Junkbox projects!" with Hans Summers G0UPL.
  • Gain insights into "Designing the Elecraft KH1: From Vision to Reality" by Wayne Burdick N6KR.
  • Learn about "Amplifying Your Adventures, Minimizing Your Power" with Tom Witherspoon K4SWL.
  • Delve into "The Amazing Thermionic Valve" with Gregg Latta AA8V.
  • Uncover secrets of "Stealth Ops from hotel rooms and other unlikely QTHs" with Ross Ballantyne VK1UN.

Challenges and Contests:

  • Participate in the FDIM2024 LOGIC IC TRANSMITTER POWER CHALLENGE and showcase your creativity in designing a crystal-controlled 40M oscillator/PA using a single 4000-series or 7400-series logic IC.
  • Engage in the Homebrew Contest - Show and Tell on Friday, May 17th, and witness the ingenuity of fellow radio enthusiasts.

Schedule Overview:

  • Wednesday, May 15: Registration from 7:30 PM to 9:30 PM.
  • Thursday, May 16: Seminars from 9 AM to 5 PM.
  • Friday, May 17: Exciting events including the Homebrew Contest, Radio Show and Tell, and more.
  • Saturday, May 18: Awards Ceremony and Grand Banquet.
  • Sunday, May 19: Hamvention and departures.

Join the Thrill: FDIM 2024 promises an unparalleled opportunity to connect with fellow radio enthusiasts, learn from industry experts, and showcase your skills in innovative challenges. Whether you're a seasoned operator or a curious newcomer, there's something for everyone at this premier ARRL Convention.

For registration and further details, visit or contact David Cripe, NM0S, at Get ready to unleash your creativity and passion for amateur radio at FDIM 2024!

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