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Re: [TowerTalk] TowerTalk Digest, Vol 165, Issue 59

To: towertalk-request@contesting.com, TowerTalk <towertalk@contesting.com>
Subject: Re: [TowerTalk] TowerTalk Digest, Vol 165, Issue 59
From: dw <bw_dw@fastmail.fm>
Date: Thu, 15 Sep 2016 12:40:30 -0700
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
Dan,
I'm also interested in the 2 el 40 meter beam if its still available.
I'm 5 hours away.

Duane - N1BBR




On Wed, Sep 14, 2016, at 06:51 PM, towertalk-request@contesting.com
wrote:
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> Today's Topics:
> 
>    1. Re: tower (Al Kozakiewicz)
>    2. Re: tower (Al Kozakiewicz)
>    3. Re: HF6V choke coil (Steve Bookout)
>    4. Re: HF6V choke coil (Al Kozakiewicz)
>    5. ROHN 25G insulators (Jorge Diez CX6VM)
> 
> 
> ----------------------------------------------------------------------
> 
> Message: 1
> Date: Wed, 14 Sep 2016 23:56:54 +0000
> From: Al Kozakiewicz <akozak@hourglass.com>
> To: Dan Handelsman <dannhat@optonline.net>, "towertalk@contesting.com"
>       <towertalk@contesting.com>
> Subject: Re: [TowerTalk] tower
> Message-ID: <50381aabae464069affba9d98cd76306@S05-MBX04-18.S05.local>
> Content-Type: text/plain; charset="us-ascii"
> 
> Hi Dan,
> 
> If these are still available I would be interested. I am about 3 hours
> away.
> 
> Assuming yes, the main question would be what do I need to do to load it?
> Is the tower on the ground?
> 
> Let me know and thanks,
> 
> Al
> AB2ZY
> 
> -----Original Message-----
> From: TowerTalk [mailto:towertalk-bounces@contesting.com] On Behalf Of
> Dan Handelsman
> Sent: Wednesday, September 14, 2016 11:58 AM
> To: towertalk@contesting.com
> Subject: [TowerTalk] tower
> 
> Hi:
> 
> I have a Triex LM-470 in good condition. It includes a new motor - never
> used. I also have two KT-34 XA's, a KLM 2 el 40,, and an unopened boxed
> 6 el 10 m beam.
> 
> 
> I am giving these away to anyone who will come to Chappaqua NY to pick
> them up.
> 
> 
> Dan, N2DT
> 
> 914-238-8310
> 
> _______________________________________________
> 
> 
> 
> _______________________________________________
> TowerTalk mailing list
> TowerTalk@contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk
> 
> 
> ------------------------------
> 
> Message: 2
> Date: Wed, 14 Sep 2016 23:58:13 +0000
> From: Al Kozakiewicz <akozak@hourglass.com>
> To: "towertalk@contesting.com" <towertalk@contesting.com>
> Subject: Re: [TowerTalk] tower
> Message-ID: <70edf01bbbbd434ea8abfb75d91b2e11@S05-MBX04-18.S05.local>
> Content-Type: text/plain; charset="us-ascii"
> 
> Sorry, did not mean to reply all....
> 
> -----Original Message-----
> From: TowerTalk [mailto:towertalk-bounces@contesting.com] On Behalf Of Al
> Kozakiewicz
> Sent: Wednesday, September 14, 2016 7:57 PM
> To: Dan Handelsman; towertalk@contesting.com
> Subject: Re: [TowerTalk] tower
> 
> Hi Dan,
> 
> If these are still available I would be interested. I am about 3 hours
> away.
> 
> Assuming yes, the main question would be what do I need to do to load it?
> Is the tower on the ground?
> 
> Let me know and thanks,
> 
> Al
> AB2ZY
> 
> -----Original Message-----
> From: TowerTalk [mailto:towertalk-bounces@contesting.com] On Behalf Of
> Dan Handelsman
> Sent: Wednesday, September 14, 2016 11:58 AM
> To: towertalk@contesting.com
> Subject: [TowerTalk] tower
> 
> Hi:
> 
> I have a Triex LM-470 in good condition. It includes a new motor - never
> used. I also have two KT-34 XA's, a KLM 2 el 40,, and an unopened boxed
> 6 el 10 m beam.
> 
> 
> I am giving these away to anyone who will come to Chappaqua NY to pick
> them up.
> 
> 
> Dan, N2DT
> 
> 914-238-8310
> 
> _______________________________________________
> 
> 
> 
> _______________________________________________
> TowerTalk mailing list
> TowerTalk@contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk
> _______________________________________________
> 
> 
> 
> _______________________________________________
> TowerTalk mailing list
> TowerTalk@contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk
> 
> 
> ------------------------------
> 
> Message: 3
> Date: Wed, 14 Sep 2016 20:51:50 -0400
> From: Steve Bookout <steve@nr4m.com>
> To: towertalk@contesting.com
> Subject: Re: [TowerTalk] HF6V choke coil
> Message-ID: <48f934da-3269-0680-1f78-9b67cf018d2f@nr4m.com>
> Content-Type: text/plain; charset=utf-8; format=flowed
> 
> Hello all,
> 
> This base coil provides the correct amount of inductance to tune the 
> antenna for a low SWR on 75/80.  There is no 'magic bullet' to how much 
> this would be.  It all depends on each installation.
> 
> I have one installed at a vacation property with about 100 radials.  The 
> antenna was given to me and did not have this coil with it.  I wound 
> 10-12 close wound wraps of some #14 solid, insulated house wire.  I 
> hooked it up and measured the SWR in the part of the band I would be 
> operating.  I stretched the coil to lessen the inductance and the SWR 
> decreased.  I kept stretching and measuring till I got a good match.  My 
> nice, tight coil is now about 14 inches long and in a 270 degree arc.  
> Obviously, I had much more inductance to start with, than I needed.  I 
> probably could replace it with 3-4 close wound turns and re-tune, but 
> it's not worth the effort.  Ugly, but works fine.
> 
> Point is this shouldn't be 'rocket science'.  Make a coil with plenty of 
> inductance and then tune it by stretching the coil.  Any decent wire is 
> fine.
> 
> BTW, if you have a good RF ground (radials) you will find the 2:1 
> bandwidth quite narrow.  Mine is something like 16 KHz.   Beware those 
> who say 'I only use ONE ground rod and I have a bandwidth of 200 KHz!'  
> Those antennas generally make good dummy loads, but YMMV.
> 
> 73 de Steve, NR4M
> 
> On 9/14/2016 7:31:PM, Stephen Lee wrote:
> >  Greetings to all,
> >
> > For the Butternut HF coil, check DX Engineering's Butternut parts web 
> > page.  There's a good picture of the coil.  On that picture I count 17 
> > coil turns along the top.  I'm holding an older Butternut coil in my 
> > hand here in the identical position and count 18 turns across the top 
> > of this coil. On mine, there are no crimped on wire terminals. The 
> > coil wire is simply stripped and looped at each end with both loops 
> > being solder coated.
> >
> > Holding the coil just like in the web picture and slipping a tape 
> > measure vertically in amongst the coils I measure exactly 1-1/2 inches 
> > across the outside to outside diameter of the coils. The coil wire 
> > itself has a transparent red coating just as the picture indicates. 
> > The overall diameter of the thinly insulated copper wire is 85 
> > thousandths of an inch and that includes the insulation.
> >
> > Coil length is variable. According to the manual, one simply spreads 
> > it apart to effect a very narrow window of bandwidth within the 75 to 
> > 80 meter band. That coil should only effect the 75/80 meter band so it 
> > is possible to dial-in the antenna for use with the other bands. I've 
> > operated my Butternut without the coil; simply avoid transmitting on 
> > 75/80 meters.
> >
> > The Butternut HF series of verticals shipped with a piece of 75 ohm 
> > coax to be used in series with the feedline. Was that included with 
> > your Butternut vertical, and if so, could you send the end-to-end 
> > measurement of that piece of coax please?
> > Enjoy!    Stephen Lee    N7RV
> >
> > On 9/13/2016 7:09 AM, Frank Davis wrote:
> >> I have an HF6V that is missing the coil at the base?the one that 
> >> bypasses the base to ground.   Can some one send me the dimensions ( 
> >> length and diameter)  and number of turns in that coil so I can make 
> >> one.     Thanks     Frank VO1HP
> >
> > _______________________________________________
> >
> >
> >
> > _______________________________________________
> > TowerTalk mailing list
> > TowerTalk@contesting.com
> > http://lists.contesting.com/mailman/listinfo/towertalk
> 
> 
> 
> ------------------------------
> 
> Message: 4
> Date: Thu, 15 Sep 2016 00:54:36 +0000
> From: Al Kozakiewicz <akozak@hourglass.com>
> To: "towertalk@contesting.com" <towertalk@contesting.com>
> Subject: Re: [TowerTalk] HF6V choke coil
> Message-ID: <96b049b82457460d82b06a1d90fb42af@S05-MBX04-18.S05.local>
> Content-Type: text/plain; charset="utf-8"
> 
> BTW there is an excellent and active Butternut group on Yahoo. 
> https://groups.yahoo.com/neo/groups/Butternut-antennas/info
> 
> Al
> AB2ZY
> 
> 
> -----Original Message-----
> From: TowerTalk [mailto:towertalk-bounces@contesting.com] On Behalf Of
> Steve Bookout
> Sent: Wednesday, September 14, 2016 8:52 PM
> To: towertalk@contesting.com
> Subject: Re: [TowerTalk] HF6V choke coil
> 
> Hello all,
> 
> This base coil provides the correct amount of inductance to tune the
> antenna for a low SWR on 75/80.  There is no 'magic bullet' to how much
> this would be.  It all depends on each installation.
> 
> I have one installed at a vacation property with about 100 radials.  The
> antenna was given to me and did not have this coil with it.  I wound
> 10-12 close wound wraps of some #14 solid, insulated house wire.  I
> hooked it up and measured the SWR in the part of the band I would be
> operating.  I stretched the coil to lessen the inductance and the SWR
> decreased.  I kept stretching and measuring till I got a good match.  My
> nice, tight coil is now about 14 inches long and in a 270 degree arc.  
> Obviously, I had much more inductance to start with, than I needed.  I
> probably could replace it with 3-4 close wound turns and re-tune, but
> it's not worth the effort.  Ugly, but works fine.
> 
> Point is this shouldn't be 'rocket science'.  Make a coil with plenty of
> inductance and then tune it by stretching the coil.  Any decent wire is
> fine.
> 
> BTW, if you have a good RF ground (radials) you will find the 2:1 
> bandwidth quite narrow.  Mine is something like 16 KHz.   Beware those 
> who say 'I only use ONE ground rod and I have a bandwidth of 200 KHz!'  
> Those antennas generally make good dummy loads, but YMMV.
> 
> 73 de Steve, NR4M
> 
> On 9/14/2016 7:31:PM, Stephen Lee wrote:
> >  Greetings to all,
> >
> > For the Butternut HF coil, check DX Engineering's Butternut parts web 
> > page.  There's a good picture of the coil.  On that picture I count 17 
> > coil turns along the top.  I'm holding an older Butternut coil in my 
> > hand here in the identical position and count 18 turns across the top 
> > of this coil. On mine, there are no crimped on wire terminals. The 
> > coil wire is simply stripped and looped at each end with both loops 
> > being solder coated.
> >
> > Holding the coil just like in the web picture and slipping a tape 
> > measure vertically in amongst the coils I measure exactly 1-1/2 inches 
> > across the outside to outside diameter of the coils. The coil wire 
> > itself has a transparent red coating just as the picture indicates.
> > The overall diameter of the thinly insulated copper wire is 85 
> > thousandths of an inch and that includes the insulation.
> >
> > Coil length is variable. According to the manual, one simply spreads 
> > it apart to effect a very narrow window of bandwidth within the 75 to
> > 80 meter band. That coil should only effect the 75/80 meter band so it 
> > is possible to dial-in the antenna for use with the other bands. I've 
> > operated my Butternut without the coil; simply avoid transmitting on
> > 75/80 meters.
> >
> > The Butternut HF series of verticals shipped with a piece of 75 ohm 
> > coax to be used in series with the feedline. Was that included with 
> > your Butternut vertical, and if so, could you send the end-to-end 
> > measurement of that piece of coax please?
> > Enjoy!    Stephen Lee    N7RV
> >
> > On 9/13/2016 7:09 AM, Frank Davis wrote:
> >> I have an HF6V that is missing the coil at the base?the one that 
> >> bypasses the base to ground.   Can some one send me the dimensions ( 
> >> length and diameter)  and number of turns in that coil so I can make 
> >> one.     Thanks     Frank VO1HP
> >
> > _______________________________________________
> >
> >
> >
> > _______________________________________________
> > TowerTalk mailing list
> > TowerTalk@contesting.com
> > http://lists.contesting.com/mailman/listinfo/towertalk
> 
> _______________________________________________
> 
> 
> 
> _______________________________________________
> TowerTalk mailing list
> TowerTalk@contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk
> 
> ------------------------------
> 
> Message: 5
> Date: Wed, 14 Sep 2016 22:51:12 -0300
> From: Jorge Diez CX6VM <cx6vm.jorge@gmail.com>
> To: Towertalk Reflector <towertalk@contesting.com>
> Subject: [TowerTalk] ROHN 25G insulators
> Message-ID: <304C82C7-D2D4-4A80-A7CA-AF8C91EEC129@gmail.com>
> Content-Type: text/plain;       charset=us-ascii
> 
> Hello
> 
> What kind of insulators do you use on 25G towers to do a vertical?
> 
> For 80 mts, what is SWR along 3500 to 3850?
> 
> Will cover all of that with reasonable SWR or will be good to add a tuner
> on the base of the antenna?
> 
> Thanks
> Jorge
> CX6VM/CW5W
> 
> Enviado  mi iPhone
> 
> ------------------------------
> 
> Subject: Digest Footer
> 
> _______________________________________________
> TowerTalk mailing list
> TowerTalk@contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk
> 
> 
> ------------------------------
> 
> End of TowerTalk Digest, Vol 165, Issue 59
> ******************************************
-- 
 Bw_dw@fastmail.net

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