Several Lawrence residents will be trying to talk to the world on their radios this weekend.
Ham radio operators will take part in the American Radio Relay League's Field Day -- an international event in which operators and their equipment face the elements and communicate several hours from an outdoor post.
Ham operators from the Douglas County Amateur Radio Club will set up shop under a shelter at Wells Overlook Park, four miles south of Lawrence just east of U.S. Highway 59 on Douglas County Road 458. About 30 operators participated last year.
Operators will begin making contacts at 1 p.m. Saturday and operate continuously until noon Sunday.
Field Day gives operators a chance to fine-tune emergency communication skills outdoors and in difficult conditions.
They use generators and battery power, and set up antennas in the field.
The purpose is to put together a self-sufficient, working station quickly and make contacts with other hams.
Field Day is an international event but most contacts will be made in Canada and the United States.
The Douglas County Amateur Radio Club has been participating in Field Day since 1971. It's always the fourth weekend in June.
The public is invited to view the stations in operation.