[Milsurplus] Tree Antenna

[Mark Richards]

Poor tree.  :)

/m

gl4d21a at juno.com wrote:
> It's an idea which surfaces every generation or so.  Last hard 
> documentation I saw was an SRI International project during Vietnam.  
> George Hagn was the princioal investigator.  Probably appeared in one 
> of the IEEE group transactions.
> 
> While I was sorting the DF files for dispersion a couple of years 
> ago, I saw a Signal Corps report on tests of the idea in Central 
> America during WW2, but made no notes of the details.
> 
> Since before WW2, the same concept.  Find a tall live tree with a 
> good wet cambium layer, located out in the open preferably.  Drive 
> two spikes in, one at ground level, one as high as convenient to 
> reach.  Connect antenna tuner, adjust and go.  As observed, not very 
> efficient, but that's what they made 30L1s for, isn't it?
> 
> 73,
> George
> W5VPQ
>