1.22 x square root of radar height from water line
1.22 x square root of radar height from vessel's deck
1.4 x square root of radar height
Mount / raise a REFLECTOR
Turn the VISIBILITY knob clockwise
Check for constant bearing and decreasing range
Check for variable bearing and increasing range
Non-life threatening emergency
Hazard To notify nearby vessels that you are towing a vessel, or to report any potentially hazardous conditions
To notify nearby vessels that you are towing a vessel, or to report any potentially hazardous conditions
Minor distress/ non-emergency
VTS - Vessel Traffic Service
39 feet and up
29 feet and up
Ship to ship 10-15 miles ship to shore range 10-30 miles
Ship to ship 30-60 miles ship to shore range 25-50 miles
3 & 4
16 and 22A
3 & 4
Folgers can + copper wire
A VHF radio station located on a ship’s navigational bridge or main control station that is used only for navigational communications.
An internal communications system linking the wheel house with the ship’s primary radio operating position and other integral ship control points.
An inland waterways and coastal radio station serving ship stations operating within the United States.
A portable ship station necessary to eliminate frequent application to operate a ship station on board different vessels.