Joe Roubal of Port Townsend, a retired cartographer and programmer, recovers his drone after a 15-minute flight over kelp beds about 400 meters off North Beach in Port Townsend on Wednesday. The drone was programmed to fly a specific route while taking photos every two seconds. Roubal wrote a computer program to process the images for study and mapping. (Steve Mullensky/for Peninsula Daily News)

Kelp mapping

Joe Roubal of Port Townsend, a retired cartographer and programmer, recovers his drone after a 15-minute flight over kelp beds about 400 meters off North…

1 MIN READ

Best of Olympic Peninsula

Most Popular

Haylee Graham and Cartier’s first time showing together in 15 years at Fox-Bell Farm’s 2024 Halloween Show.
Jeff Andrew.