Re: Topband: Beverage Antennas on Sloping Ground

2023-08-04 Thread Jim Brown
On 8/4/2023 7:42 AM, Mike Waters wrote: If you don't already have it,*Low Band DXing* by John Devoldere, ON4UN (published by the ARRL) has a very informative chapter about receiving antennas. Most of it is about Beverage antennas. Highly recommended. Yes, highly recommended. 73, Jim K9YC

Re: Topband: Beverage Antennas on Sloping Ground

2023-08-04 Thread Mike Waters
Ah yes! If it's not the latest and last edition, then you should get one. It corrected many mistakes and omissions in previous editions. 73 Mike W0BTU On Fri, Aug 4, 2023, 10:32 AM Chuck Dietz wrote: > I keep it beside my chair in the living room. > > Chuck W5PR > > On Fri, Aug 4, 2023 at 9:42

Re: Topband: Beverage Antennas on Sloping Ground

2023-08-04 Thread Chuck Dietz
I keep it beside my chair in the living room. Chuck W5PR On Fri, Aug 4, 2023 at 9:42 AM Mike Waters wrote: > If you don't already have it, *Low Band DXing* by John Devoldere, ON4UN > (published by the ARRL) has a very informative chapter about receiving > antennas. Most of it is about Beverage

Re: Topband: Beverage Antennas on Sloping Ground

2023-08-04 Thread Mike Waters
If you don't already have it, *Low Band DXing* by John Devoldere, ON4UN (published by the ARRL) has a very informative chapter about receiving antennas. Most of it is about Beverage antennas. Highly recommended. 73 Mike W0BTU https://web.archive.org/web/20190827040547/http://w0btu.com/ On Thu,

Topband: Beverage Antennas on Sloping Ground

2023-08-03 Thread Chuck Dietz
Thank you everyone who replied. The consensus was that sloping ground will not matter much. I was discussing with Tree that I may have the opportunity to put up a similar, same direction, but temporary Beverage on the opposite side of the hill which slopes in the opposite direction to compare. The

Re: Topband: Beverage Antennas on Sloping Ground

2023-08-02 Thread Jeremy Maris
Same here, 570’ W/E with 80ft drop and ~8ft high in a hedge works well in both directions. Jeremy G3XDK > On 2 Aug 2023, at 21:37, Tree wrote: > > My E/W Beverate (bi directional - brute force - transformers on each end > and two feedlines) has probably a 75 foot drop from one end to the

Re: Topband: Beverage Antennas on Sloping Ground

2023-08-02 Thread Tree
My E/W Beverate (bi directional - brute force - transformers on each end and two feedlines) has probably a 75 foot drop from one end to the other. Works fine uphill. Tree N6TR On Wed, Aug 2, 2023 at 11:51 AM Jim Brown wrote: > On 8/2/2023 11:11 AM, Chuck Dietz wrote: > > Am I correct in

Re: Topband: Beverage Antennas on Sloping Ground

2023-08-02 Thread Jim Brown
On 8/2/2023 11:11 AM, Chuck Dietz wrote: Am I correct in assuming that Beverage wires sloping downward from the feed point to the termination will work better than ones that slope upward? My Beverages are over terrain that starts high, slopes down nearly 100 ft to a creek, then back up to

Topband: Beverage Antennas on Sloping Ground

2023-08-02 Thread Chuck Dietz
Am I correct in assuming that Beverage wires sloping downward from the feed point to the termination will work better than ones that slope upward? I have two places I would like to put bidirectional Beverages, but they are both on sloping ground. I’m wondering if it would be worth the effort to

Re: Topband: Beverage antennas

2012-07-24 Thread f6bki
, 2012 1:39 AM To: ZR Cc: topband@contesting.com ; Bruce Subject: Re: Topband: Beverage antennas What may be more destructive is a slow velocity factor in the insulated wire. There is no way to estimate that, you just have to measure it. If the VF is low, then you get into the same kind of problems

Re: Topband: Beverage antennas

2012-07-24 Thread Guy Olinger K2AV
K2AV Sent: Tuesday, July 24, 2012 1:39 AM To: ZR Cc: topband@contesting.com ; Bruce Subject: Re: Topband: Beverage antennas What may be more destructive is a slow velocity factor in the insulated wire. There is no way to estimate that, you just have to measure it. If the VF is low

Re: Topband: Beverage antennas

2012-07-24 Thread Tom W8JI
Hi Guy, Good topic. The losses as a reversible beverage would far exceed those used as a balanced feedline, because of the balance partly cancelling fields in the dielectric between them. Slow wave structures are more common in microwave. Anything that increases capacitance or inductance

Re: Topband: Beverage antennas

2012-07-24 Thread Guy Olinger K2AV
Yeah, so he says when the wire is new. There is an ASSUMPTION that stuff retains characteristic at RF over time when it was only designed for audio. Have you ever noticed how pungent that stuff smells when you first pull it off the roll. That stuff cures over time. Guys at Bell Labs had HUGE

Re: Topband: Beverage antennas

2012-07-24 Thread ZR
- Original Message - From: Tom W8JI w...@w8ji.com To: Guy Olinger K2AV olin...@bellsouth.net Cc: topband@contesting.com Sent: Tuesday, July 24, 2012 9:12 AM Subject: Re: Topband: Beverage antennas Hi Guy, Good topic. The losses as a reversible beverage would far exceed those used

Re: Topband: Beverage antennas

2012-07-24 Thread donovanf
87 0.75 -11.510.7 93 1.0 -9.315.5 79 73 Frank W3LPL Original message Date: Tue, 24 Jul 2012 09:12:42 -0400 From: Tom W8JI w...@w8ji.com Subject: Re: Topband: Beverage antennas To: Guy Olinger K2AV olin...@bellsouth.net Cc

Re: Topband: Beverage antennas

2012-07-24 Thread Tom W8JI
From what I've read, the characteristics of WD-1x may vary quite a bit. It's interesting to read the results of the comparison that Herb did between some and open wire line back in 2008: http://lists.contesting.com/_topband/2008-12/msg00016.html From that link: In theory two parallel 600

Re: Topband: Beverage antennas

2012-07-24 Thread Tom W8JI
There is an excellent article in the July/August 2012 issue of QEX describing how the author improved the performance of a Beverage by breaking it into two in-line segments coupled by a pair of conventional Beverage matching transformers. He also provides detailed construction

Re: Topband: Beverage antennas

2012-07-24 Thread Rick Stealey
Frank, W3LPL recommends - Clothing can be purchased pretreated with Permethrin. Commercially treated clothing remains effective after dozens of washings. Look for the trademarks Insect Shield and Bug Shield in sporting goods stores or online: I have been having a terrible problem with

Re: Topband: Beverage antennas

2012-07-24 Thread ZR
: Topband: Beverage antennas Bruce is correct that Beverage antenna installation and maintenance brings on the risk of life changing Lyme disease. Lyme disease is present in many areas of the world, but particularly in the non-arid areas of the United States, Canada and Europe. http

Re: Topband: Beverage antennas

2012-07-24 Thread Bill Wichers
Much of the outdoor wire dielectric won't change much with age. If you're looking at the really old rubber stuff you'll get a lot of change since that material degrades over time. The newer stuff tends to be polyethylene-based which holds up *very* well over time. The C Rural wire that's been

Re: Topband: Beverage antennas

2012-07-24 Thread ZR
- Original Message - From: Bill Wichers bi...@waveform.net Also, someone on here had corrected me for talking about an older version of C Rural wire that was oval and used rubber insulation. I looked that up too (Drop Wire), and it is similar but definitely not the same (I've only run

Topband: Beverage antennas

2012-07-23 Thread Bruce
Re Craig: There are no perfect solutions for Beverage wire and all have problems. One big factor in the Northeast is Limes Disease, spread by Deer ticks, from Deer, and a few other creatures. It becomes risky to your way of life to put too much time out on Beverages in wooded areas. We

Re: Topband: Beverage antennas

2012-07-23 Thread Milt -- N5IA
:17 AM To: topband@contesting.com Subject: Re: Topband: Beverage antennas Bruce is correct that Beverage antenna installation and maintenance brings on the risk of life changing Lyme disease. Lyme disease is present in many areas of the world, but particularly in the non-arid areas

Re: Topband: Beverage antennas

2012-07-23 Thread Herb Schoenbohm
...@contesting.com Date: Mon, 23 Jul 2012 11:39:00 To: donov...@starpower.net; topband@contesting.com Subject: Re: Topband: Beverage antennas And out here in the ARID areas of the US, Beverage antenna installation and maintenance brings on the risk of life changing encounters with rattle snakes and Gila

Re: Topband: Beverage antennas

2012-07-23 Thread Brian Hemmis
Sounds like a version of Lyme disease, Tom. Sorry to hear this. Brian K3USC On Jul 23, 2012, at 4:04 PM, Tom W8JI wrote: Ticks carry many things, some that doctors are not familiar with. Installing antennas in the woods here in Georgia, I contracted Ehrlichiosis from a Lone-star tick. I was

Re: Topband: Beverage antennas - Ticks

2012-07-23 Thread Terry Posey
@contesting.com Subject: Re: Topband: Beverage antennas Ticks carry many things, some that doctors are not familiar with. ___ UR RST IS ... ... ..9 QSB QSB - hw? BK

Topband: Beverage antennas and Ticks

2012-07-23 Thread Bruce
Bet there are many tick stories in the DX group. I was on active duty at Fort Sill, Oklahoma in 1957 and while I was shaving in the BOQ latrine one of the guys noticed a tick on my back. They burned it out with a cigarette. Had to go to early sick bay many days after, receiving many penicillin

Re: Topband: Beverage antennas

2012-07-23 Thread ZR
- Original Message - From: Bruce k...@myfairpoint.net To: topband@contesting.com Sent: Monday, July 23, 2012 3:56 PM Subject: Topband: Beverage antennas Re Tom: An impedance error of 20 ohms on a 100 ohm line is as meaningful as an 80 ohm error on 400 ohm line Thanks Tom

Re: Topband: Beverage antennas

2012-07-23 Thread Guy Olinger K2AV
...@jeremy.mv.com wrote: - Original Message - From: Bruce k...@myfairpoint.net To: topband@contesting.com Sent: Monday, July 23, 2012 3:56 PM Subject: Topband: Beverage antennas Re Tom: An impedance error of 20 ohms on a 100 ohm line is as meaningful as an 80 ohm error on 400 ohm

Topband: Beverage Antennas Trees

2012-06-20 Thread Wayne Willenberg
I am preparing to install a reversible Beverage antenna, using 450 Ohm ladderline. All of the components are from DX Engineering. The maximum length I could fit on my property was 480ft. This would be the first of my receive antennas for my first venture into 160 and 80M. Here is my concern.

Re: Topband: Beverage Antennas Trees

2012-06-20 Thread Les Kalmus
Wayne, That's what mine does with the same components. Works fine. Les W2LK On 6/18/2012 2:45 PM, Wayne Willenberg wrote: I am preparing to install a reversible Beverage antenna, using 450 Ohm ladderline. All of the components are from DX Engineering. The maximum length I could fit on my

Re: Topband: Beverage Antennas Trees

2012-06-20 Thread ZR
Willenberg wewill...@gmail.com To: Topband@contesting.com Sent: Monday, June 18, 2012 2:45 PM Subject: Topband: Beverage Antennas Trees I am preparing to install a reversible Beverage antenna, using 450 Ohm ladderline. All of the components are from DX Engineering. The maximum length I could

Re: Topband: Beverage Antennas Trees

2012-06-20 Thread Jim Brown
On 6/20/2012 9:40 AM, ZR wrote: Mine are installed thru the woods and I spent considerable time trimming out low growth plus interfering branches. Mine are also DXE twinlead in a dense redwood forest with rather irregular terrain, and go through a lot of brush and scrub trees. When I

Re: Topband: Beverage Antennas Trees

2012-06-20 Thread Mike Waters
I agree with Jim. Beverages don't have to be ideal to work very well indeed, thank you. It's the matching transformers (and maybe their grounds) that are a more important thing to worry about. You need not worry that trees and bushes will attenuate the signal at HF. Lots of people have installed

Re: Topband: Beverage Antennas Trees

2012-06-20 Thread ZR
- Original Message - From: Mike Waters mikew...@gmail.com To: topband topband@contesting.com Sent: Wednesday, June 20, 2012 5:24 PM Subject: Re: Topband: Beverage Antennas Trees I agree with Jim. Beverages don't have to be ideal to work very well indeed, thank you. It's the matching

Re: Topband: beverage antennas

2011-03-20 Thread Matt
Hi all.. Iam getting ready to put up a bunch of beverage antennas.. I was told that I could use electric fence wire for them.. any suggestions on this? 73, Fred N2FJ Me three! I use 1.6mm electric fence wire for both of my 190m long bi-directional beverages. I made them into 400 ohm line

Topband: beverage antennas

2011-03-17 Thread Fred Bennett
Hi all.. Iam getting ready to put up a bunch of beverage antennas.. I was told that I could use electric fence wire for them.. any suggestions on this? 73, Fred N2FJ ___ UR RST IS ... ... ..9 QSB QSB - hw? BK

Re: Topband: beverage antennas

2011-03-17 Thread Mike Waters
On Thu, Mar 17, 2011 at 11:55 AM, Fred Bennett n...@n2fj.com wrote: Hi all.. Iam getting ready to put up a bunch of beverage antennas.. I was told that I could use electric fence wire for them.. any suggestions on this? 73, Fred N2FJ Hello Fred, Absolutely you can! Earl, K6SE (SK) swore