Topband: fixing beverage

[Jorge Diez CX6VM]

Thanks all for the help, will upgrade software and try to use it as TDR

73,
Jorge


Enviado desde mi iPhone

> El 23 nov. 2015, a las 23:00, Bill Hider <n3rr at erols.com> escribió:
> 
> 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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