Topband: Tree Conductivity

[W2PM]

So when the Suns magnetic field reverses and the sap starts flowing in the opposite direction will that affect the conductivity any?

Sent from my iPhone

On Aug 9, 2013, at 8:29 AM, Raoul Coetzee <raoulcoetzee at yahoo.com> wrote:

>  
> I am well aware that I may be flamed (again) for starting "something", but
> I found this article where the conductivity of sap wood and hard wood is measured.
> It seems if I read it correctly, that with this specific trees and soil conditions,
> the results are
> quote:and 594 ± 55.5 
> the heartwood ranged from the maximum of the
> sapwood to 1737 ± 393.4 
>  
> Full article here: http://www.metla.fi/silvafennica/full/sf44/sf442267.pdf
>  
>  
> Disclaimer:I do not imply this is of any value to the discussion whether a tree will effect a transmission or reception on 160m! :-)
> This is for information only seeing that conditions on HF is rotten.
>  Ωm. The electric resistivities ofΩm.
> All tomograms display a distinct pattern of low
> resistivity at the stem perimeter and high resistivity
> in the stem centre (Fig. 1). The transition
> between these zones is rather narrow and represents
> a steep increase in resistivity. The 5%
> and 95% quantils of electric resistivities of the
> sapwood of the nine trees were 219 ± 42.5 m
> Ω
> _________________
> Topband Reflector