Hi, Soren.
It's an
HF radio. I found this link on
eHam.
It's an old radio, expensive for it's time. They're selling for under $500 on eBay, you might be able to sell it for
parts. If you are really into radios, it would be fun to keep. Otherwise, get a decent
marine VHF for ship to ship/shore. Amateur and maritime HF requires a
license, which you can look into depending on your jurisdiction, home port.
HF radio operation is something I intend to do when I set sail.
My suggestion,
salvage it and use the space for a
VHF.