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Gfretwell
 
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Default Ideas on how to electronically track a float at sea?

Look for one of the "fox and hound" hobby groups. They have small transmitters
that they hide and have other members track them down'. I think these things
operate on Childrens Band but they may be on some other "license free"
frequency.
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Rural Knight
 
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Default Ideas on how to electronically track a float at sea?


"JET" wrote in message
news:4fsYa.87241$uu5.12552@sccrnsc04...
Looking for something reasonably inexpensive to retrieve a float out at

sea.
Would like about 2-3 mile range. If I could somehow use my FM radio that
would be great but I'm open to any ideas.


What is it you are trying to do? There are options but "retrieve" is
a pretty vague term.

Later,

Tom


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Wayne.B
 
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Default Ideas on how to electronically track a float at sea?

On Thu, 07 Aug 2003 13:12:32 GMT, "JET"
wrote:

Looking for something reasonably inexpensive to retrieve a float out at sea.
Would like about 2-3 mile range. If I could somehow use my FM radio that
would be great but I'm open to any ideas.

========================================
Here's a technical reference if you're inclined to do a little
research:

Transmitter Hunting: Radio Direction Finding Simplified
by Moell and Curlee, Tab/McGraw Hill, 1987

If you want to do this legally, you're going to need a ham license or
find a CB unit with direction finding capability, preferably a loop
antenna. Less legally, and hopefully well offshore, you might be able
to get away with a floating VHF hand held set to low power and an
unused channel. On your boat you would need a directional VHF
receiver.

There are also special frequencies and equipment intended for animal
tracking that you might be able to adapt.

Most off shore fisherman use a floating fiberglass whip (like a
mooring pickup stick) with a flag and small radar reflector on the
top. You should be able to buy these ready made from any commercial
fisheries supplier.



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noah
 
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Default Ideas on how to electronically track a float at sea?

On Thu, 07 Aug 2003 13:12:32 GMT, "JET"
wrote:

Looking for something reasonably inexpensive to retrieve a float out at sea.
Would like about 2-3 mile range. If I could somehow use my FM radio that
would be great but I'm open to any ideas.

JET


Find youself a good radio shop (not so easy these days ).
I would avoid any emergency channels.
A transmitter, with or without blinking LED, should not be a problem.

Legally, standard FM frequencies are out.

If you're running drugs, make sure that you use a standard Coast Guard
frequency. It will save time and tax dollars. )
noah

Courtesy of Lee Yeaton,
See the boats of rec.boats
www.TheBayGuide.com/rec.boats
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