2019 Field Day will be held June 22-23, 2019 and the sign-up sheet for the WCARES 2019 Field Day event is here:
https://docs.google.com/forms/d/e/1FAIpQLSegdZcWWtWK-BdIA7wRvzm84H2S5biWytE2CqUwx6x8QhXaAA/viewform
Field Day is always the fourth full weekend of June, beginning at 1800 UTC Saturday and running through 2059 UTC Sunday.