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Subject: [world-cruising] Re: SSB Antennas
From: thurley45 (thurley@XXX.XXX)
Date: Mon Mar 31 2003 - 08:14:35 EST
Dear Barry:
Once again, thanks very much for your help. Your answers helped fill
in the gaps. I wonder if using an insulator at top and bottom would
help with the grounding problem when the wire is wet? Any thoughts?
Regards, Tim
--- In world-cruising@XXX.XXX> wrote:
>
> Hi Tim
> Some answers
>
> >Do you use
> insulators at the ends of the SS insulated wire (or just the
dacron
> rope)
> Just the rope. It is a good insulator
>
> >and about what size is the wire?
>
> It was the type usually used for life lines (may be 3/16" or 1/4"
with white plastic insulation.
>
> >Do you know if the insulation
> affects the effectiveness of the antenna?
>
> Only in wet conditions. When whet wire will earth out and send no
significan signal.
>
> >Why did you use SS wire rather than copper? Was it for
strength?
> Yes. People have a habbit of swinging on things!
>
> > What did you use to connect the wire to the tuner?
>
> I criped a ring terminal to the wire that was then attached to a
screw fitting on the automatic aereal tuner I added solder to the
crimped fitting. The solder may not have had much boding to SS though.
>
> >I assume you use this setup while underway, not just in port,
right?
>
> I sailed from NY to Australia and used it nearly every day.
> I recieved and transmitted OK from Tahiti to NZ and many shorter
distances. You have to use the correct frequencies for the time of
day though. Not much works around mid day
> 15Mz for early morning and eventing. 4 or 6 MHz for night.
> 4 MHz was OK for local nets with other cruisers.
>
> >And finally, what's a
> GRP boat?
> Yes. a 40 Irwin
>
> Pleasure
>
> Regards,
>
> Barry
>
>
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