K1 on a sailboat

[Hayden-4]

I have a 37' charter lined up that i would love to take the K1 on.  My
goal would be to be able to set up an antenna simply and easily at the
end of the day, and just as easily tear it down in the morning before
setting off on the next leg of the journey.  easy-up/easy down beats
effectiveness, as long as i can make a couple of contacts for fun.  dx
is great but not needed here.

so is there any experience out on a handy antenna?  i do have the KAT1
too, so hope that will help.  I've got a non insulated backstay, and of
course can haul just about anything aloft with the halyards.

perhaps just a simple old justinverted v?

Mike, AK3F


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[Doug Faunt N6TQS [phone]]

Check out the Par Electronics 20/40M endfed 1/2 wave.
I wish they had a 30M antenna.

http://www.universal-radio.com/catalog/hamwire/2831.html
They'll also do them with a BNC connector, for $5. more.

73, doug

   Content-class: urn:content-classes:message
   Date: Thu, 16 Dec 2004 13:23:44 -0500
   Thread-Topic: K1 on a sailboat
   Thread-Index: AcTjnGERd8XFJsucQ76O24stCqOSGQ==
   From: "Hayden" <[hidden email]>


   I have a 37' charter lined up that i would love to take the K1 on.  My
   goal would be to be able to set up an antenna simply and easily at the
   end of the day, and just as easily tear it down in the morning before
   setting off on the next leg of the journey.  easy-up/easy down beats
   effectiveness, as long as i can make a couple of contacts for fun.  dx
   is great but not needed here.

   so is there any experience out on a handy antenna?  i do have the KAT1
   too, so hope that will help.  I've got a non insulated backstay, and of
   course can haul just about anything aloft with the halyards.

   perhaps just a simple old justinverted v?

   Mike, AK3F

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[Vic K2VCO]

Hayden wrote:

> so is there any experience out on a handy antenna?  i do have the KAT1
> too, so hope that will help.  I've got a non insulated backstay, and of
> course can haul just about anything aloft with the halyards.
>
> perhaps just a simple old justinverted v?

If you have access to a ground (I'm not a sailor so I don't know how the boat is
constructed, whether it's likely to have a metal surface in contact with the
sea), then it would be hard to beat a simple vertical wire.  Unlike the inverted
V, it would provide very good low-angle radiation over the saltwater ground.

--
73,
Vic, K2VCO
Fresno CA
http://www.qsl.net/k2vco

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[Jim Younce]

Mike:

I operate my K2 on a 48' St. Francis Catamaran (The Quantum Leap) that I
crew. For an antenna I use a 40 meter center fed dipole fed with 300 twin
lead and terminate it in a LGP 4:1 Balun and run about 20 feet of RG58 to
the K2.  I install it as a sloper from the top of the mast by connecting it
to the Spinnaker halyard and pull that end to the top of the mast. (note:
Be sure to attach a downhaul line to the halyard to be safe so that if the
antenna breaks you can still pull the halyard back down and don't have to
climb the mast.)  I  attach the bottom end of the dipole to the safety
railing on the bow.  I use another piece of small line attached to the balun
to keep the twin lead at 90 degrees from the dipole and attach it to the
safety rail at midship.  I open a hatch in the salon area and drop the RG58
through and connect it to the rig on the table in the salon.  I can take it
down or set it up in about 5 minutes and using the KAT2 in the K2 it tunes
all bands 40 -10 to a 1:1 SWR and receives and radiates very well. The
antenna is made out of a 33' length of AC zip cord that was split and the
insulators are pieces of plexiglass and I use light weight cord on the ends
of the insulators..The whole antenna when coiled up can almost fit in a box
the size of your K1.  The center insulator has two 8-32 screws and nuts and
a wing nut on each one so that I can attach the 300 ohm twin lead. The
dipole leads stay attached to the center insulator all the time.  By the way
I used this antenna while motoring due to no wind on the way from St. Lucia
to George Town, Bahams and checked into the Maritime Mobile Net running 10
watts and they had no problem hearing me.

73
Jim Younce K4ZM
K2 SN:18


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