[Elecraft] RF in the Trees

[Eric Swartz WA6HHQ - Elecraft]

Good topic, but we're hotting the posting limit for a single topic. Let's wind this one down asap.

Eric
Your friendly jet lagged moderator (at the Freidrichshafen, Germany, Ham Radio show.)
elecraft.com
_..._

> On Jun 27, 2014, at 5:23 PM, Walter Underwood <wunder at wunderwood.org> wrote:
> 
> There is special cord designed to not get stuck in trees. It is called "arborist throw line". It really works, I use it for bear bagging on backpacking trips. You can get the line, a throw weight, and a storage bag as a throw kit.
> 
> http://www.wesspur.com/throw-line/zing-it-throw-line.html
> 
> wunder
> K6WRU
> 
>> On Jun 27, 2014, at 5:27 AM, "Charlie T, K3ICH" <pincon at erols.com> wrote:
>> 
>> The professional "Arborists" use a cloth or leather bag filled with lead shot and something called "tangle-free" line or similar to throw up in a tree so that they can pull up a supporting rope for tree trimming etc.  From what I've seen, the bag is about the size of a tear drop shaped golf ball. The idea of the shot instead of a solid weight is to make the bag less damaging if it hits your house (or window) on the way down.
>> 
>> I have a neighbor who's son is an arborist, so I've watched him on several occasions.  It DOES take a bit of practice, but the line never seems to get tangled.
>> 
>> I tried this with a few lead fishing weights on some thin nylon line and it was a disaster.  The secret is to use a thick enough line so that it won't spin around itself and (mysteriously) tie itself in a knot way up in the tree.
>> 
>> 73, Charlie k3ICH
>> 
>> 
>> ----- Original Message ----- From: "Fred Jensen" <k6dgw at foothill.net>
>> To: <elecraft at mailman.qth.net>
>> Sent: Thursday, June 26, 2014 8:05 PM
>> Subject: Re: [Elecraft] RF in the Trees
>> 
>> 
>>>> On 6/26/2014 4:12 PM, Rick Bates, WA6NHC wrote:
>>>> This may be off topic, but in light of it being Field Day Weekend in
>>>> the US....
>>> 
>>> It's radio, Eric will probably see it as relevant, unless we overdo it, which we do at times. :-)
>>> 
>>>> The arrow has an issue because it gets hung up or in branches and
>>>> doesn't have enough mass to pass through some branches or allow
>>>> gravity to pull it down.  Should it comes later, the risks of
>>>> impalement can ruin the day.
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> 
> --
> Walter Underwood
> wunder at wunderwood.org
> 
> 
> 
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