What is this?

[TheSt]

Forward is port-side navigation light. What is mounted just aft of it?

http://parksmith.com/c-dory-16-angler/

https://vipowerboat.ca/product/1993-16ft-c-dory-angler/

 

[jkidd]

It's the mount for a vhf antenna and a clam shell for the cable to go inside.

 

[Pacificcoast101]

It looks like they moved the antenna to the starboard side but left the port mount.

 

[TheSt]

Thanks.