Join Date: Jan 2003
Location: Maine Coast
Thanked 300 Times in 232 Posts
Rep Power: 18
Mine is an 8' pole starting about 3.5 feet above the water and I have no whip to speak of. The higher the better!
If I could easily switch to a mast mount instead of a stern pole I'd do it in a heart beat but then again I sail in pea soup often!!!
A dome 10' off the water will see a 10' tall target at about 7.6 miles.
A dome 20' off the water will see a 10' tall target at roughly 9.2 miles.
Most mast mounts are roughly 25 feet high or more!!
Never under estimate the distance you'll need. We have a ferry up here called the "Cat" that runs at over 50 knots. A 6nm dome visibility is NOT enough in pea soup for a vessel traveling 50+ knots trust me.... If you sail in shipping lanes you want distance if you don't it's not a big deal...
The higher the better!!!
Please fill out your profile with your boat model and sailing waters. With a radar question it will greatly help others answer your question to know your sailing location. Radar questions dealing with Maine or the Canadian Maritime's will get decidedly different answers than someone on Albermarle sound or the Chess....
-Maine Sail / CS-36T
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Last edited by Maine Sail; 06-13-2008 at 03:15 PM.