I have noticed that many vintage 53 MY Hatts have the radar mounted on the eyebrow over the windshield. Several in our marina have that configuration and the 53MY brochures from back in the day show that as a common setup.
So in that case, is there radar coverage in the quadrant behind the radar - where the flybridge sits - or is the radar coverage restricted to the sides/front of the boat?
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Can the radar see through the flybridge?
Mike P
San Miguel de Allende, Mexico; Kent Island MD; San Antonio TX
1980 53MY "Brigadoon"
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07-20-2014 09:39 AM #2Senior Member
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Re: Can the radar see through the flybridge?
To answer the your question, you will incur a loss depending on the composition of the material obstructing the RADAR. The additional loss over free space path loss is probably negligible, and not worth worrying about.
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07-20-2014 09:56 AM #3
Re: Can the radar see through the flybridge?
Scott
41C117 "Hattatude"
Port Canaveral Florida.
Marine Electronics and Electrical Products Distributor.
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07-20-2014 10:17 AM #4Senior Member
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Re: Can the radar see through the flybridge?
Not only testicles, but any liquid filled body part (eye balls are a good example), could be impacted. I know Furuno used to publish the safety distances in their manuals. If this is not the case any longer, follow the recommendation which shows distance the array should be placed in reference to other antennas (i.e. VHF/MF/HF/GPS Antenna), and make sure you are further than the most stringent distance requirement.
Due to the narrow beam width emitted from the array of these RADAR systems, if you are a couple feet above or below, odds are you will be fine.
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Re: Can the radar see through the flybridge?
Before hard tops became popular in the 80's most of the convertibles had this setup also. I have thousands of hours of standing behind Decca 101's and super 101's. As a birth control method it wasn't too effective, I have 3kids. Range losses are more a factor of the installer failing to set the tilt angle of the scanner to the boats running angle. If it's set level when the boat is at rest it will be shooting the sky when the boat is at cruise.
"DON'T BELIEVE ANYTHING YOU READ OR HEAR AND ONLY HALF OF WHAT YOU SEE" - BEN FRANKLIN
Endless Summer
1967 50c 12/71n DDA 525hp
ex Miss Betsy
owners:
Howard P. Miller 1967-1974
Richard F Hull 1974-1976
Robert J. & R.Scott Smith 1976-present
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Re: Can the radar see through the flybridge?
Thanks! My radar is on a 12-15 foot Marquipt mast, hinged at the FB deck but I have been thinking about removing the mast for several reasons and TEMPORARILY mourning the radar on the eyebrow while I decide whether to have a FB hardtop or a radar arch installed...or come up with some other method.
I understand the concern re the radar/body parts and figure that if we needed the radar we would be operating from the lower helm anyway.Mike P
San Miguel de Allende, Mexico; Kent Island MD; San Antonio TX
1980 53MY "Brigadoon"