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  #11  
Old 10-23-2012
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Re: VHF Antenna

Almost all new VHF have DISC and many now are equipped with AIS. These both are safety measures. Not using the highest point is probably the best place to put it as well as the best and lowest resistance coax you can use.

I once had a 5 ft Shakespeare mounted off the stern of my boat....distance at best was 10 miles. Same coax and VHF now mounted top the top of the mast distance is at least 22 sometimes 30 depending on atmospheric conditions.

Dave
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Old 10-23-2012
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Re: VHF Antenna

Whether you use HT or a mounted VHF, my recommendation is to have a backup (at least one, in addition to your primary). Murphy's law works aptly well in the marine envirnment. There are pros and cons to either side of this subject. The best thing to do is weigh options as they apply to you. Every person is different and so are their preferences. My opinion is to have a chassis mount radio with the antenna sitting on top the mast. I just want my signal to reach as far as possible if/when necessary. HTs usually only put out 5 watts or so, where the bigger units give a full 25W. I also prefer the least amount of connections between radio and antenna. Again, this is my opinion. Mounting your antenna on the rail limits your ability. A line of sight calculation will show just how much difference. Keep in mind this is theoretical distances. Atmospheric conditions can both hinder and enhance VHF performance. It just depends on what mother nature wants to dish out.

Good luck in your decision.
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Old 01-15-2013
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Re: VHF Antenna

I got screwed by Baron USA via an Ebay purchase Baron sent me a 8 ft. powerboat antenna instead of the 3 ft. sailboat antenna I ordered. Ebay/Pay Pal did refund my purchase (no response whatsoever from Baron) but I don't think this 8 ft. deck mount Shakespeare will work as well as a 3db. whip antenna off the mast head. Nor do I think I have the room on the stern rail or aft deck of my Hunter 25 to mount it but could shuffle a few things. Should I just sell the sucker and buy a 3 ft whip for the mast head or try to use the 8 ft.??? Advice?
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Old 01-15-2013
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Re: VHF Antenna

It will work if you get a mount for the deck or rail and then wire it through the deck,
however it will not get as much distance as the whip at the masthead will.

SHAKESPEARE Mount at West Marine

SHAKESPEARE Mount at West Marine
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Old 01-15-2013
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Re: VHF Antenna

Quote:
Originally Posted by jz5w63 View Post
I got screwed by Baron USA via an Ebay purchase Baron sent me a 8 ft. powerboat antenna instead of the 3 ft. sailboat antenna I ordered. Ebay/Pay Pal did refund my purchase (no response whatsoever from Baron) but I don't think this 8 ft. deck mount Shakespeare will work as well as a 3db. whip antenna off the mast head. Nor do I think I have the room on the stern rail or aft deck of my Hunter 25 to mount it but could shuffle a few things. Should I just sell the sucker and buy a 3 ft whip for the mast head or try to use the 8 ft.??? Advice?
The real issue is the 8ft antenna's gain. They are normally 6db which means a tighter focus - which could be a problem when you are sailing, and heeled. The reason sailboats normally use 3db antennas is that they work well on a heeling boat.

So, yes, I think you should sell it and get a 3db one for the mast. So you now have an 8ft antenna, AND your money back, which will, presumably, pay for a 3db one and leave you some change? How does this equate to getting screwed?
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Old 01-15-2013
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Re: VHF Antenna

Contact Shakespeare, see if they'll do a swap for you.
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