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echo: ham_tech
to: HOLGER GRANHOLM
from: ROB DENNIS
date: 1998-03-18 01:47:00
subject: Antennas...

 HG> In a message dated 03-09-98, Rob Dennis said to Holger Granholm:
 HG>> What's so special about your winters?
 RD>> Nothing much other than they seem to be more windy and freezing
 HG> Well, we get real winters here too. This winter has been an exception
 HG> as far as the snow goes with barely (6 inches) enough snow to ski on
 Here we have been getting the El Nino effect of -very- strange weather since 
christmas time.
 Just today we had nice warm sunny weather while Calgary (out western Canada)
got their butts kicked by a late winter/early spring blizzard.
 RD>> My aluminum antennas are over 6 years old and survive nicley with a
 RD>> little normal cleaning every two or three years.
 HG> The trick is to choose metals which have their electromotoric forces
 HG> (polarities) close to each other and if that's not possible, protect
 Yep.
 One of the great old debates here locally,and still is,was to use some sort 
of conductive grease to coat the entire long-wire to prevent corrosion.
 End result was uusally a real sticky,gooey mess in the summer as the greese 
got to running like sap off the antenna.
 RD>> Stranded wire for me is easier to obtain and cheaper as well by the
 HG> For my W0WO antenna I'm using copper clad insulated telephone line
 Is this a four-line phone wire or something different?
 Canadian and European phone systems being different,I wonder if the wires 
used
in them are the same or different as well.
 Our wires are four to make up one line,and some are stranded some are not.
 This is for the inside wire,not the one on the poles.
 RD>> Most any electrical supply house has solid wire but charge twice
 RD>> the cost of stranded wire so I choose stranded over solid to save
 HG> Well, most scrap yards should have scrapped telephone line.
 HG> The problem with stranded wire is the acidious water that creeps in
 HG> between all strands and corrode all those thin wires.
 I'm going over to the scrapper this weekend looking t0 get about 150 feet of 
solid copper wire to us in making my new 80 and 160 dipole.
 I'd like to get insulated copper,and see how long it will last,but most of 
what he has is non-insulated.
--- GoldED 2.42.G1219
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* Origin: VE3SJN....Moderator....HAM_TECH (1:163/506.4)

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