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VHF antenna change

Old 09-24-2008, 01:42 PM
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Default VHF antenna change

I have an 8 foot VHF antenna (Shakespeare) that I would like to swap out for a shorter one. The cable weaves through from the stern, up through the tunnel (tight) and into the console. Maybe a silly question, but is there any way of using the existing cable and replacing the actual antenna only? I suspect the answer is obvious.....the antenna and cable are inseparable, but thought I would ask anyway.
Mike
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Old 09-24-2008, 02:12 PM
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Default Re: VHF antenna change

The new antenna will come with the coaxial cable connector un-attached. You may be able to pull it in using the old cable to pull it with. And yes you could cut the old cable and install a male coaxial end on it and an adaptor to connect to the new cable.

The two cables could be soldered together too.

http://www.thehulltruth.com/forums/t...15692&posts=11
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Old 09-24-2008, 02:17 PM
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Default Re: VHF antenna change

I'll be happy to defer to the professional riggers on this forum, but can't resist tossing in my two cents. IF you exhaust every option and learn that you (a) must replace the cable and, (b) must cut the connector....then here's a couple hints from my install.
1. Do not pull the old cable out. It will become the fish for the new cable.
2. Before you start to fish the cable through, make sure that the threaded nut is on the cable topside
3. In order to make the diameter as small as possible and Not lose the two cables, thread some fishing line through each cable about 1/2" from the ends and tie it off. Then apply some lubricant (ATF, olive oil, KY, etc) to the cable to facilitate the pulling process.
4. It helps to have a second hand feeding the cable while you pull it. If you don't need their help for this, at least they can go get the beer.
Good luck with it.
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Old 09-29-2008, 12:51 PM
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Default Re: VHF antenna change

Wire snake... Home Depot... $25
A must have!
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Old 09-29-2008, 02:29 PM
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Default Re: VHF antenna change

As it was said above, if you need or decide to pull a new wire which is always better than a splice or male to female connections, use a lubricant... Home depot, lowes as well as any electrical supply place sell a product designed for pulling wires and it evaporates without leaving a nasty residue behind... You can find it in the electrical section. Don't use oil or KY as they will be on the wires forever. The lube makes it a breeze to pull wires! I have used it several times.

If you cut the old coax from the old antenna and leave enough of the copper middle conductor, you could twist both the old cable and the new cables middle conductor together and use some electrical take between them. This will keep the cable diameter close to the original cable size without having to double up which should make the pull easier in tight spaces.
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Old 09-29-2008, 02:39 PM
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Default Re: VHF antenna change

if you must frequently change or remove the whip, consider Pacific Aerials antennas and mounts. Whips can be easily spun off their special mounts and cable disconnects too as it is apart of the internals of the whip. Finish is on par with Shakespeare's galaxy whips, but reception is not quite as good as galaxy.
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Old 09-29-2008, 04:03 PM
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Default RE: VHF antenna change

mikemdd - 9/24/2008 4:42 PM

I have an 8 foot VHF antenna (Shakespeare) that I would like to swap out for a shorter one.
I have to ask - Why swap out a good 8' antenna for an "not as good" shorter one?
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Old 09-29-2008, 06:32 PM
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Default Re: VHF antenna change

I am on an inland lake (North Idaho) where I really don't need the distance. While it is a "big" lake, I rarely see large distances between shorelines. When I bought the boat, I thought I need the biggest of everything. In this case, I could have done with a shorter antenna.

Mike
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Old 09-30-2008, 05:37 AM
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Default Re: VHF antenna change

mikemdd - 9/29/2008 9:32 PM

I am on an inland lake (North Idaho) where I really don't need the distance. While it is a "big" lake, I rarely see large distances between shorelines. When I bought the boat, I thought I need the biggest of everything. In this case, I could have done with a shorter antenna.

Mike
Understood.
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Old 10-18-2008, 09:15 PM
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Default Re: VHF antenna change

Lake Pende O'Reille?
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Old 10-20-2008, 10:59 AM
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Default Re: VHF antenna change

Yes, I'm on Lake Pend O'reille.
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Old 10-20-2008, 06:11 PM
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Default Re: VHF antenna change

Not all antennas have the wire that is integral. Search around a little. You can find a replacement antenna that takes a connector at the base.

Jut cut the coax as close as possible to the old antenna and solder on the appropriate connector on the existing coax. This this should affect your overall SWR just slightly if you keep within an inch or so of the original coax length from the radio to the antenna.

I'm not a fan of antennas with conectors at the base, because of corrosion issues...but you do what you have to do.

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