Is it possible that WOW! signal was manmade?

Is it possible that the WOW! signal was sent from Earth as a form as a joke?

https://preview.redd.it/gg57dmam6wp81.jpg?width=640&format=pjpg&auto=webp&s=90e419fa22ffe36da22c724d3ed936f22f820e74

Submitted March 27, 2022 at 05:07AM by Icy_Pea7531 https://ift.tt/k8Oc4Qf