Topband: fixing beverage

[Bill Hider]

Jorge,

I have used my AIM4170 many times as a TDR.  Your 3 year old AIM_853.exe should work, but it is free & easy go upgrade to the latest (October 26, 2015) software revision, AIM_910B.

Download AIM_910B here:

WWW.w5big.com/prog_update.htm

Bill N3RR

On Nov 23, 2015 8:03 PM, donovanf at 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 at gmail.com> 
> To: donovanf at 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 at contesting.com] En nombre de donovanf at starpower.net 
> Enviado el: lunes, 23 de noviembre de 2015 06:51 p.m. 
> Para: topband at contesting.com 
> CC: dl8yhrfrank at 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 at aol.com 
> To: donovanf at 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 at starpower.net> 
> An: TopBand List <topband at contesting.com> 
> Cc: Jorge Diez - CX6VM <cx6vm.jorge at 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 at gmail.com > 
> To: "TopBand List" < topband at 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 at 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 
>
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