Further sources of information gathered from various locations.
- Calling NorCross Marine Products
- How do I return a product that I purchased?
- Do you offer express shipping?
- I received part of my shipment where is the rest?
- How long has Hawkeye been around?
- I need a part and I don't see it on the website
- What is your office address?
- How Does a Transducer See a Fish?
- Sonar Defined
- Types of Transducers
- The Physics of Sound in Water