General Questions

Do I need a License to operate a VHF radio? What are the fees?

Which manufacturer’s equipment should I buy?


What is GPS?

What is DGPS ?

Radar FAQs

What is radar?

What is a Guard Alarm?

What is a VRM?

Fish Finder FAQ’s

What can an echo sounder do for me?

What things should I consider when looking for a new echo sounder?

How does an echo sounder work?

How will my echo sounder differentiate between echoes of different strengths?

What is “white line”?

What is a transducer?

Should I get an LCD or a CRT echo sounder?

Why are some echo sounders dual frequency?

Can I interface my echo sounder with other marine electronics equipment?