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Re: [TowerTalk] Fw: SteppIR problem-update from the front lines

To: "Robert Carroll" <w2wg@comcast.net>, "'Ron Todd'" <ron@k4wz.com>,<towertalk@contesting.com>
Subject: Re: [TowerTalk] Fw: SteppIR problem-update from the front lines
From: "Roger (K8RI)" <K8RI-on-TowerTalk@tm.net>
Date: Sun, 17 Jun 2007 20:28:01 -0400
List-post: <mailto:towertalk@contesting.com>


> Bill
>
> It's a very long shot, but I would put a scope on one of the conductors at
> the shack end of that cable and see if for any oddball reason you have
> induced or ground loop conductive pickup from something.  Did you try
> flopping the new cable on top of the ground instead of pulling it through
> the conduit?  Of course if it's already in the conduit it may not be easy 
> to

This is PVC conduit and not steel isn't it?

Roger (K8RI)

> pull it back out.  Can you try coiling up the 400'  at the tower base and
> connecting it to the 80' piece going up?  If it won't run from a pile at 
> the
> bottom of the tower I am out of ideas.  Maybe for some reason the 
> controller
> can't handle the conductor to sheath capacitance of that long a run.
>
> 73
> Bob W2WG
>
> -----Original Message-----
> From: towertalk-bounces@contesting.com
> [mailto:towertalk-bounces@contesting.com] On Behalf Of Ron Todd
> Sent: Sunday, June 17, 2007 7:00 PM
> To: towertalk@contesting.com
> Subject: [TowerTalk] Fw: SteppIR problem-update from the front lines
>
> Bill sorry it did not work. I hope you dont give up on the SteppIR. Thire
> has got to be a fix.
>
> Ron K4WZ
>
> ----- Original Message ----- 
> From: "Bill Carnett" <ah6fc@yahoo.com>
> To: <towertalk@contesting.com>
> Sent: Sunday, June 17, 2007 6:32 PM
> Subject: [TowerTalk] SteppIR problem-update from the front lines
>
>
>> Ok, Friday I received a new 440 foot control cable
>> from Mike at SteppIR.  In addition he prepared a 6
>> volt DC battery pack to piggy-back on the 33 volt
>> power supply for the controller.
>>
>> Neither worked.  Unit comes on, then shuts off with
>> band selection.  Even tried going into set-up mode to
>> individually select elements, same problem.  Make the
>> selection, and the entire unit shuts down.  With a
>> short control cable, i.e. 80 foot at the base of the
>> tower, the unit works fine...full functioning.
>>
>> So, anybody have other suggestions?  The problem seems
>> to be related to the cable length.  Increasing the
>> controller voltage to the maximum 38 doesn't help.
>> The SteppIR folks, Jerry, Jim, and Mike have been
>> great, but we still can't figure out the problem.
>>
>> This is pretty frustrating.  I want to give this
>> antenna a good opportunity to get functional, but I'm
>> not sure it will in my application, i.e. 500 feet from
>> controller to antenna.  It might be time to start
>> looking for an alternative antenna?
>>
>> Again, thanks to all and any suggestions appreciated.
>>
>> 73, Bill
>> AH6FC/7
>>
>>
>>
>>
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