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AMERICA250
DECLARATION OF INDEPENDENCE
SEMIQUINCENTENNIAL
COMMEMORATION & CELEBRATION

CQ, CQ, CQ, calling all Amateur Radio Operators, join the AMERICA250.radio project celebrating America’s Semiquincentennial! Participate in the Chasing Cornwallis Challenge, connect with K4A Kilo4America stations, and volunteer as a Net Control Operator in this historic amateur radio commemoration of the American Revolution and our nation’s founding.

Not an Amateur Radio Operator yet? You’re invited to be part of history—and to discover the greatest hobby on earth! AMERICA250.radio exists to unite, inspire, and educate as we commemorate 250 years of American independence. Our mission is to connect people across the nation and the world through the power and magic of Amateur Radio—a hobby unlike any other.

No other fraternity bridges culture, nationality, distance, or diverse interests the way Amateur Radio does. It’s a global community where personal growth, technological discovery, and lifelong friendships are just the beginning. Whether you’re drawn by the thrill of making your first contact, the excitement of building your own equipment, or the camaraderie of joining a worldwide network, there’s a place for you here.

Next year’s event is open to everyone: whether you’re a lifelong ham or just radio-curious, you can join the celebration by becoming a licensed Amateur Radio Operator. It’s easier than you think! Start your journey at Ham Radio School for friendly, step-by-step guidance, and explore the world of amateur radio at QRZ.com—the #1 resource for hams everywhere and the exclusive home for AMERICA250.radio Special Event promotions.

Want to get started locally? Connect with a welcoming community by contacting a local Amateur Radio Club—QRZ.com makes it easy to find one near you. Find a club here.

Be a part of something historic. Get on the air, make new friends, and help us tell America’s story—one contact at a time!

Live Activations

IDFrequencyModeNameCallsignState
Ornate Quill and Inkwell

EXPLORE AMERICA250

CHASING CORNWALLIS CHALLENGE

Six Epic Battles • One Historic Journey • Your Victory Certificate Awaits

Join the Chasing Cornwallis Challenge and become part of a living legacy that honors the pivotal battles of the Southern Campaign of the American Revolution—the deterministic battles that shaped America's destiny. As you make on-air contacts and connect with thousands of operators across the country, you're not just making contacts—you're stepping into history, celebrating the spirit of freedom and unity that made America possible.

This July 1–7, join with fellow Amateur Radio operators to commemorate the Semiquincentennial of the Declaration of Independence with K4A - Kilo4America, a special event that unites our country in remembrance and reverence. By making contacts at just five of our six annual events, you will proudly earn the year-end Certificate shown below to proudly display in your Shack—a symbol of your dedication, skill, and connection to the Men and Women who won America.

But the adventure doesn't stop there: Volunteer as a Net Control Operator and help guide the action, ensuring every voice is heard. Your leadership will inspire others and keep the spirit of discovery alive.

Don't just listen—be part of the story. Join the Chasing Cornwallis Challenge, earn your Certificate, and consider stepping up as a Net Control Operator. Together, let's rally to "Signal the American Spirit."

British Lord Charles Cornwallis

British Lord Charles Cornwallis

2025 CHALLENGE EVENTS
K4C
Battle of Cowpens
Jan 17-19
K4B
Battle of Moores Creek Bridge
Feb 27-28
K4G
Battle of Guilford Courthouse
Mar 15-17
K4A
America250 Semiquincentennial
Jul 1-7
K4M
Battle of Kings Mountain
Oct 6-8
K4Y
Battle of Yorktown
Oct 18-20

YOUR VICTORY CERTIFICATE

Chasing Cornwallis Challenge Certificate

Earn this magnificent certificate by participating in 5 of 6 events

DISCOVER THE EPIC STORY

Behind America250

From the Appalachian frontier to global history — discover why the Battle of Kings Mountain didn't just win American independence, but saved the sovereignty of every nation on Earth. Learn the untold story of the Backwater Men who changed the course of world history.

Read Our Story →