Return-Path: Received: from rly-db02.mx.aol.com (rly-db02.mail.aol.com [172.19.130.77]) by air-db08.mail.aol.com (v125.7) with ESMTP id MAILINDB082-aad4a9b7913339; Mon, 31 Aug 2009 03:18:01 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by rly-db02.mx.aol.com (v125.7) with ESMTP id MAILRELAYINDB023-aad4a9b7913339; Mon, 31 Aug 2009 03:17:40 -0400 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Mi17s-0002hZ-19 for rs_out_1@blacksheep.org; Mon, 31 Aug 2009 08:16:28 +0100 Received: from [83.244.159.144] (helo=relay3.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Mi17r-0002hQ-5P for rsgb_lf_group@blacksheep.org; Mon, 31 Aug 2009 08:16:27 +0100 Received: from blu0-omc1-s9.blu0.hotmail.com ([65.55.116.20]) by relay3.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1Mi17j-0004SB-L4 for rsgb_lf_group@blacksheep.org; Mon, 31 Aug 2009 08:16:21 +0100 Received: from BLU146-W28 ([65.55.116.9]) by blu0-omc1-s9.blu0.hotmail.com with Microsoft SMTPSVC(6.0.3790.3959); Mon, 31 Aug 2009 00:16:12 -0700 Message-ID: X-Originating-IP: [138.32.244.2] From: Laurence BY3A-KL1X China To: Date: Sun, 30 Aug 2009 23:16:12 -0800 Importance: Normal In-Reply-To: <20090830234236.92330@gmx.net> References: <20090830234236.92330@gmx.net> MIME-Version: 1.0 X-OriginalArrivalTime: 31 Aug 2009 07:16:12.0646 (UTC) FILETIME=[EBBB9860:01CA2A0A] X-Spam-Score: 0.9 (/) X-Spam-Report: autolearn=disabled,HTML_10_20=0.945,HTML_MESSAGE=0.001 Content-Type: multipart/alternative; boundary="_82eb32f2-3a4b-482b-99e0-fba2eb579a09_" Subject: RE: LF: Tree mixing X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.0 required=5.0 tests=FORGED_HOTMAIL_RCVD, HTML_MESSAGE autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-AOL-IP: 193.82.116.20 X-Mailer: Unknown (No Version) --_82eb32f2-3a4b-482b-99e0-fba2eb579a09_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Dennis - The TV transmitter had an ERP of some 17Kw only - so yes transmit= ters located in the trees would have many orders of magnitude higher field= s. Luckily the Tx was shutdown on around Jan 85 (from memory) - all I did= was move the "fixed service" antennae down 1 metre and the problem dissap= eared. The alternate was to remove some of the bark from the Chestnut tree= but that would be close to a Trunk call. No really -Acacia so far have= been the best of any tree Ive tried at assisting probes which I couldnt= shove up in the clear for whatever reason. We appear to have Acacias in= every Continent save Antarctica though even there I did see a few plants= that looked similar in some of the scientists rooms (!) =20 The only question I had was why was the Horse Chestnut the only tree affec= ted ? I didnt get into looking around the base of the tree nor what was be= ing carried up the trunk by Osmodic action - but there are some quarries= nearby and maybe it was something to do with the type of water/material= that was being pulled up via the cambium layer and thats where the "actio= n" was taking place. I dunno but it was in Spring and the tree was active.= .just maybe there was an old piece of barbed wire embedded under the bark= I couldnt see -=20 =20 I have to say Ive seen nothing negative with LF loop fields in Cottonwoods= /Birches by way of reradiation - we did look at increases at temperature= of branches and ground underneath the XDW loop running close to 1.2Kw @= 137Khz using handheld laser guided thermometers but I saw nothing to ind= icate we were inductively (sic) heating the sap/wood, or for that matter= the ground beneath the loop. Well nothing I could detect as the sinking= affect from the mass was pretty large, but it shouldnt be completely disc= ounted in my view -=20 =20 Cheers - (and apologies to others) =20 Laurence - Tianjin _ Sunny - China 31C We2XPq Wasilla Alaska =20 =20 > > ...5 miles from the TV transmitter > Quite distant, so the fieldstrengh transmitting with "amateur power" int= o antennas directly supported by trees will be clearely higher sometimes. >=20 > > ...Ill leave you to guess how I cleared the problem... > My first idea was to shot down the TV TX and move it to another place wi= th clear takeoff without any tree ;) >=20 >=20 > > youll know my respect for the globally dispersed Acacia tree and how > > marvellous it is as enhancer of LF signals wrt probes -=20 > > so perhaps the trees speak more than we really think at RF... > Really, or You are kidding? >=20 >=20 > vy73 > Dennis > DL6NVC >=20 >=20 >=20 >=20 >=20 >=20 >=20 >=20 > --=20 > Neu: GMX Doppel-FLAT mit Internet-Flatrate + Telefon-Flatrate > f=FCr nur 19,99 Euro/mtl.!* http://portal.gmx.net/de/go/dsl02 >=20 _________________________________________________________________ Hotmail=AE is up to 70% faster. Now good news travels really fast.=20 http://windowslive.com/online/hotmail?ocid=3DPID23391::T:WLMTAGL:ON:WL:en-= US:WM_HYGN_faster:082009=3D --_82eb32f2-3a4b-482b-99e0-fba2eb579a09_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Dennis - The TV transmitter had an ERP of some 17Kw only - so yes tran= smitters located in the trees would have many orders of magnitude hig= her fields. Luckily the Tx was shutdown on around Jan 85 (from memory)&nbs= p;- all I did was move the "fixed service" antennae down 1 metre and the&n= bsp;problem dissapeared. The alternate was to remove some of the bark from= the Chestnut tree but that would be close to a Trunk call. No really = ; -Acacia so far have been the best of any tree Ive tried at assisting pro= bes which I couldnt shove up in the clear for whatever reason. We appear= to have Acacias in every Continent save Antarctica though even there I di= d see a few plants that looked similar in some of the scientists rooms (!)=
 
The only question I had was why was the Horse Chestnut the only tree affec= ted ? I didnt get into looking around the base of the tree nor what was be= ing carried up the trunk by Osmodic action - but there are some quarries= nearby and maybe it was something to do with the type of water/material= that was being pulled up via the cambium layer and thats where the= "action" was taking place. I dunno but it was in Spring and the tree was= active..just maybe there was an old piece of barbed wire embedded under= the bark I couldnt see -
 
I have to say Ive seen nothing negative with LF loop fields in Cottonwoods= /Birches by way of reradiation - we did look at increases at tem= perature of branches and ground underneath the XDW loop running close to= 1.2Kw @ 137Khz  using handheld laser guided thermometers but I saw= nothing to indicate we were inductively (sic) heating the sap/wood, or fo= r that matter the ground beneath the loop. Well nothing I could detect as= the sinking affect from the mass was pretty large, but it shouldnt be com= pletely discounted in my view -
 
Cheers - (and apologies to others)
 
Laurence - Tianjin _  Sunny - China 31C
We2XPq Wasilla Alaska
 
 
> > ...5 miles from the TV transmitter
> Quite distant, so the= fieldstrengh transmitting with "amateur power" into antennas directly sup= ported by trees will be clearely higher sometimes.
>
> >= ...Ill leave you to guess how I cleared the problem...
> My first= idea was to shot down the TV TX and move it to another place with clear= takeoff without any tree ;)
>
>
> > youll know my= respect for the globally dispersed Acacia tree and how
> > marve= llous it is as enhancer of LF signals wrt probes -
> > so perhap= s the trees speak more than we really think at RF...
> Really, or Yo= u are kidding?
>
>
> vy73
> Dennis
> DL6NV= C
>
>
>
>
>
>
>
>=
> --
> Neu: GMX Doppel-FLAT mit Internet-Flatrate + Telefon= -Flatrate
> f=FCr nur 19,99 Euro/mtl.!* http://portal.gmx.net/de/go/= dsl02
>


Hotmail=AE is up to 70% faster. Now good= news travels really fast. Try it now. =3D --_82eb32f2-3a4b-482b-99e0-fba2eb579a09_--