Topband
[Top] [All Lists]

Re: Topband: fixing beverage

Subject: Re: Topband: fixing beverage
From: Art Snapper <art@nk8x.net>
Date: Mon, 23 Nov 2015 20:17:10 -0500
List-post: <topband@contesting.com">mailto:topband@contesting.com>
When you get the problem solved, save the TDR trace for future reference.
You can even take a picture of it with a camera.

Art NK8X

On Mon, Nov 23, 2015 at 8:11 PM, James Bennett <w6jhb@me.com> wrote:

> Jorge,
>
> I also have a 4170 and it does do TDR without any additional software or
> hardware. The user manual has several pages on how to use the 4170 as a TDR.
>
> Jim Bennett / W6JHB
> Folsom, CA
>
> > On Nov 23, 2015, at 5:03 PM, donovanf@starpower.net wrote:
> >
> > Hi Jorge,
> >
> >
> > The AIM4170 has TDR capabilities. I don't own an AIM470, but
> > surely someone on the Topband reflector can help you use it
> > as a TDR.
> >
> >
> > 73
> > Frank
> > W3LPL
> >
> > ----- Original Message -----
> >
> > From: "Jorge Diez - CX6VM" <cx6vm.jorge@gmail.com>
> > To: donovanf@starpower.net
> > Sent: Monday, November 23, 2015 11:56:32 PM
> > Subject: RE: Topband: fixing beverage
> >
> > Hi Frank
> >
> > I google and the first option was Campbellsci.es
> >
> > In 5 minutes the CX representative emailed me and told me that is a very
> very expensive toy for my use :-)
> >
> > I have the AIM4170, will do this job? I use the software AIM_852.exe I
> need another software or this is OK?
> >
> > Thanks,
> > Jorge
> >
> >
> > -----Mensaje original-----
> > De: Topband [mailto:topband-bounces@contesting.com] En nombre de
> donovanf@starpower.net
> > Enviado el: lunes, 23 de noviembre de 2015 06:51 p.m.
> > Para: topband@contesting.com
> > CC: dl8yhrfrank@aol.com
> > Asunto: Re: Topband: fixing beverage
> >
> >
> > Hi Frank,
> >
> >
> > My TDR is nearly fifty years old, but still it works great.
> >
> >
> > Array Solutions sells more modern multi-functions devices that are
> perform very well as a TDR. Here's an example display from Array Solutions'
> web site:
> >
> >
> > https://www.arraysolutions.com/images/AIMuhf-TDR-fig1.png
> >
> >
> > The display for a Beverage looks very similar, you can see every
> component from the shack to the termination resistor.
> >
> >
> > 73
> > Frank
> > W3LPL
> >
> >
> > ----- Original Message -----
> >
> > From: dl8yhrfrank@aol.com
> > To: donovanf@starpower.net
> > Sent: Monday, November 23, 2015 9:20:55 PM
> > Subject: Re: Topband: fixing beverage
> >
> > where can i get such toy?
> >
> >
> >
> >
> >
> >
> > -----Urspr ngliche Mitteilung-----
> > Von: donovanf <donovanf@starpower.net>
> > An: TopBand List <topband@contesting.com>
> > Cc: Jorge Diez - CX6VM <cx6vm.jorge@gmail.com>
> > Verschickt: Mo, 23 Nov 2015 9:39 pm
> > Betreff: Re: Topband: fixing beverage
> >
> >
> >
> >
> >
> > A Time Domain Reflectometer is one of the best tools to verify
> > the proper performance and isolate faults of a Beverage and many
> > other types of antennas.
> >
> >
> > In the case of a Beverage, the TDR allows you to see every
> > component of the antenna system from the ham shack all the way
> > to the termination resistor. If anything fails you can almost
> > always walk directly to it with the needed replacement parts and
> > tools in hand.
> >
> >
> > 73
> > Frank
> > W3LPL
> >
> > ----- Original Message -----
> >
> > From: "Jorge Diez - CX6VM" < cx6vm.jorge@gmail.com >
> > To: "TopBand List" < topband@contesting.com >
> > Sent: Monday, November 23, 2015 8:29:15 PM
> > Subject: Re: Topband: fixing beverage
> >
> > Thanks all you guys for the help
> >
> > Will do this tests and see what is wrong
> >
> > 73,
> > Jorge
> > CX6VM/CW5W
> >
> > -----Mensaje original-----
> > De: Tom W8JI [ mailto:w8ji@w8ji.com ]
> > Enviado el: lunes, 23 de noviembre de 2015 02:35 p.m.
> > Para: Jorge Diez - CX6VM; 'TopBand List'
> > Asunto: Re: Topband: fixing beverage
> >
> >>
> >> I notice that my USA beverage is lower in 3-4 S units that some weeks
> ago.
> >
> > 5-20 dB. Depending on receiver and where it is at on the S meter.
> >
> > That has to be a poor connection, open, or short between the receiver
> and the
> > Beverage transformer end of the Beverage. It cannot be at the
> termination end.
> >
> >
> >> At simple view all seems to be OK. I think the coax is not the
> >> problem, because if I have a problem in the coax, will be completely
> deaf,
> > right?
> >
> > No. Coax can do this. It happens all the time. Especially at connectors.
> >
> >>
> >> So this can be the cause of a problem in the end resistor or maybe in
> >> the transformer? I use in this beverage a WX0B beverage boxes
> >
> > It can not be at the end resistor termination.
> >
> > The problem is if you disturb something it will often start working. You
> need to
> > carefully check one thing at a time. Many times, if not most times, this
> is
> > corrosion or tarnish on the center pin of the coax. Sometimes it is a
> broken
> > wire, or a bad part from lightning or water.
> >
> > The best way to test it is with an SWR meter and do a frequency sweep
> from the
> > house, before you touch the antenna or any outside connections. The
> frequency of
> > either adjacent major dips in SWR or impedance will allow you to
> calculate
> > exactly where the problem is. The MFJ analyzer will do this within a few
> feet,
> > even on a 1000 foot cable, by using distance to fault.
> >
> > 73 Tom
> >
> >
> > ---
> > El software de antivirus Avast ha analizado este correo electr nico en
> busca de
> > virus.
> > https://www.avast.com/antivirus
> >
> > _________________
> > Topband Reflector Archives - http://www.contesting.com/_topband
> > _________________
> > Topband Reflector Archives - http://www.contesting.com/_topband
> >
> >
> >
> > _________________
> > Topband Reflector Archives - http://www.contesting.com/_topband
> >
> >
> > ---
> > El software de antivirus Avast ha analizado este correo electrónico en
> busca de virus.
> > https://www.avast.com/antivirus
> >
> >
> > _________________
> > Topband Reflector Archives - http://www.contesting.com/_topband
> _________________
> Topband Reflector Archives - http://www.contesting.com/_topband
>
_________________
Topband Reflector Archives - http://www.contesting.com/_topband
<Prev in Thread] Current Thread [Next in Thread>