What Is Field Day?
Field Day is an annual amateur radio operating event held on the fourth full weekend of June each year. Organized by the ARRL, it's simultaneously a public demonstration of amateur radio's capabilities, an emergency preparedness exercise, and a friendly operating competition. Thousands of clubs, groups, and individual operators set up temporary stations across North America every year — often in parks, campgrounds, or emergency management facilities.
What makes Field Day unique is its emphasis on portable, battery, or generator-powered operation away from the normal home station. The goal is to demonstrate that amateur radio operators can quickly deploy functional communications infrastructure anywhere, under any conditions.
How Field Day Scoring Works
Field Day runs for 24 hours, from 1800 UTC Saturday to 1800 UTC Sunday. Participants earn points by:
- Making contacts — each QSO earns 2 points on phone/digital, and 4 points on CW
- Bonus points — for things like satellite contacts, natural power operation, media publicity, and submitting a public information officer report
- Class designation — stations are classified by how many transmitters they're running and their power source (e.g., "3A" = 3 transmitters, commercial power alternative)
The competitive element is friendly rather than fierce — most clubs participate for the experience and community, not to "win."
Field Day Classes Explained
| Class | Description |
|---|---|
| A | Club or group, 2+ people, portable power |
| B | 1–2 person portable operation |
| C | Mobile stations |
| D | Home stations using commercial power |
| E | Home stations using emergency power |
| F | EOC (Emergency Operations Center) stations |
Why Field Day Matters for Emergency Preparedness
Amateur radio operators play a vital role in emergency communications when infrastructure fails. Hurricanes, earthquakes, and wildfires regularly knock out cell networks and internet — but a portable ham radio station with a battery and a wire antenna can still get messages through. Field Day is essentially an annual drill:
- Clubs practice rapid antenna deployment
- Operators learn to work under field conditions (heat, noise, fatigue)
- Groups test generator and battery backup systems
- Teams coordinate multiple simultaneous transmitting stations
How to Find and Join a Field Day Event
You don't need to be a licensed amateur radio operator to attend most Field Day events — the public is actively welcomed. Here's how to find one near you:
- Visit the ARRL Field Day Locator at arrl.org to find registered club sites
- Contact your local amateur radio club — most clubs participate and welcome newcomers
- Check community boards, local emergency management offices, or parks departments
Many clubs use Field Day as a recruiting and licensing event, sometimes offering on-site exam sessions so visitors can get licensed and make their first contact that same weekend.
Tips for First-Time Participants
- Arrive early — the setup phase (erecting antennas, testing equipment) is just as educational as the operating period.
- Ask to sit at a radio — most operators are happy to walk newcomers through making a contact.
- Bring layers and sunscreen — Field Day sites are often outdoors and the 24-hour period crosses day and night temperatures.
- Learn the exchange — Field Day contacts use a simple exchange (your call, Field Day class, and ARRL section) that's easy to learn in minutes.
Field Day Beyond the Contest
For many hams, Field Day is less about the score and more about the community. It's a chance to meet local operators, share equipment knowledge, mentor newcomers, and remind the public that amateur radio is a living, active service. If you've been curious about ham radio, there's no better introduction than spending a few hours at a local Field Day site.