Arrl Winter Field Day 2025 Registration. Winter field day is a 24 hour operating exercise where hams across the country go to the field, setup portable stations running on emergency power with temporary antennas. Winter field day is an event very similar to the june arrl field day except—you guessed it—it’s held in winter.

Transmissions officially start at 2pm. As the chilly winds start to blow and the calendar pages turn, we at white river radio & communications are thrilled to announce our upcoming winter field day & pota for.