[Lowfer] LITZ wire price

[Andy - KU4XR]

Thankd Todd:

You are correct, I was planning to wind an extra loading coil
for my lowfer beacon. I am currently using insulated 30 guage
wire wound on a paint bucket, and a plastic coffee can and so
far I haven't experienced any coil warmth at all. But. it's
only 1 watt at 185 KHz. So if the 20/40 LITZ would be the
equivalent of #27, then I would be going to a larger wire 
than I'm using now, and probably at a lower resistance. 
The resistance of the current setup is 5.4 Ohms for a total
of 2.51 Milli-Henries ( measurements include the LP Filter ).
I didn't think the amperage would be a problem at this
power level though.

73 to you :::


Andy - KU4XR - EM75xr - Friendsville, TN.
LOWfer Beacon " XR " @ 185.29866 KHz ( QRSS-60 )
Coordinates:  N:  35* 43' 54" - W:  84* 3' 16"
http://www.myspace.com/beaconxr
http://webpages.charter.net/ku4xr/
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--- On Sun, 12/27/09, toddroberts2001 at aol.com <toddroberts2001 at aol.com> wrote:

> From: toddroberts2001 at aol.com <toddroberts2001 at aol.com>
> Subject: Re: [Lowfer] LITZ wire price
> To: lowfer at mailman.qth.net
> Date: Sunday, December 27, 2009, 4:29 PM
> 
> 
>  
> Hi Andy,
> You didn't give any information on what frequency you plan
> to use the wire  
> on 
> or whether you plan to use it for transmitting or
> receiving?
>  
> I assume you want to use the wire in the Lowfer band? #40
> AWG stranded Litz 
>  is 
> correct for the 100-200KHz frequency range.
>  
> 20 strands of #40 gauge wire = 20/40 Litz wire is awfully
> small wire,  
> equivalent to about #27 gauge round wire. This would only
> be good for receiving  
> use and probably small even for a loop
> antenna.
>  
> For transmitting use you would want something heavier like
> 270 strands  of
> #40 gauge wire = 270/40 Litz wire. This would be equivalent
> to #16  gauge 
> round wire
> and would build a reasonable size loading coil of low RF
> resistance.
>  
> 73 - Todd WD4NGG