Message-ID: <D120F9A57ED741508DFCAEDAD787D9E0@TonyLaptop>
From: "Tony Baldwin" <ei8jk@o2.ie>
To: <rsgb_lf_group@blacksheep.org>
References: <6DEA7E8987244A48846E44813972D608@TonyLaptop> <002301cb13b3$fe031640$4001a8c0@lark> <4C2468E5.14422.A52B82@dave.davesergeant.com> <8E4FC73E19264769BDD773018FF63E7A@TonyLaptop> <002901cb1487$29189b10$0301a8c0@your91hoehfy9g>
In-Reply-To: <002901cb1487$29189b10$0301a8c0@your91hoehfy9g>
Date: Fri, 25 Jun 2010 19:04:59 +0100
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Subject: LF: Re: Re: Re: Re: Antenna wire
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Well, I was under the impression this hobby is wire-less.
You mean I've been doing it wrong for 40 years ?


----- Original Message ----- 
From: "mal hamilton" <g3kevmal@talktalk.net>
To: <rsgb_lf_group@blacksheep.org>
Sent: Friday, June 25, 2010 5:55 PM
Subject: LF: Re: Re: Re: Antenna wire


> He is winding u folks up !!!!!!!!!!
> A radio amateur for 40 years and never heard of WIRE
>
> ----- Original Message -----
> From: "Tony Baldwin" <ei8jk@o2.ie>
> To: <rsgb_lf_group@blacksheep.org>
> Sent: Friday, June 25, 2010 10:14 AM
> Subject: LF: Re: Re: Antenna wire
>
>
>> Sorry to bewilder you Dave, but when it comes to LF wire aerials I really
> am
>> a complete newbie.
>> Although I've been licenced for over 40 years now, I have spent all my
> time
>> up the "other end" of the spectrum.
>>
>> So, no I haven't really got 100m rolls of stranded cable kicking around 
>> in
>> my shack. I do have a 6 foot dish, a couple of 30 foot long 2m yagis etc,
>> etc, so any wire needed for a 136 aerial I will have to go out and buy,
> and
>> before I did that I wanted to make sure that I wasn't wasting my money on
>> the wrong stuff, plus wire shops are few and far between down this neck 
>> of
>> the woods.
>> The only wire locally (nearest 15 miles) is CB & TV coax, twin and earth
>> electrical and electric fencing wire, anything else is a 120 mile round
> trip
>> to Cork city or arm and a leg postage.
>> Thanks for the tip about loudspeaker cable, that might be possible
> locally.
>> 73, Tony, EI8JK
>>
>>
>> ----- Original Message -----
>> From: "Dave Sergeant" <dave@davesergeant.com>
>> To: <rsgb_lf_group@blacksheep.org>
>> Sent: Friday, June 25, 2010 9:29 AM
>> Subject: LF: Re: Antenna wire
>>
>>
>> >> Sorry to ask a stupid newbie question but what is the best wire for my
>> >> aerial ? I had thought about getting a couple of 100m rolls of cheapo
>> >> RG58 and soldering the centre and screen together, or is there a 
>> >> better
>> >> way ? Tony, EI8JK
>> >>
>> >
>> > I have been watching this thread with some bewilderment...
>> >
>> > If the antenna you are putting up is a form of longwire, dipole
>> > (shortened I guess..), doublet, G5RV etc then it honestly doesn't
>> > matter one bit. Any piece of cheap stranded wire will do, and the only
>> > requirements are mechanical, ie to ensure it stays up in the air.
>> > Normal stranded 19/.76 or whatever will do. Most of us have plenty of
>> > this lying around the shack. There is absolutely no purpose in using
>> > coax, or for that matter heavy electrical cable, as you will struggle
>> > to keep this horizontal and its weight will soon break the guys.
>> >
>> > If on the other hand you are talking about resonant loops, then it is
>> > important to keep the dc resistance as low as possible, especially on
>> > 136 where the radiation resistance is miniscule. When I used a loop on
>> > 136 I used heavy gauge loudspeaker cable, readily available in 100m
>> > rolls, with the pair shorted to make a single conductor. Don't bother
>> > with the 'oxygen free' stuff, that is throwing money down the drain.. I
>> > don't think coax, any sort, will give you as low a dc resistance.
>> >
>> > 73 Dave G3YMC
>> >
>> > http://www.davesergeant.com
>> >
>> >
>> >
>>
>>
>>
>
>
>