[SADXA] HF amplifier for sale

Wed Jun 26 16:59:56 EDT 2013

I'll second that ....

73, Dick

On Wed, Jun 26, 2013 at 1:58 PM, JERRY <jdwothe at cox.net> wrote:

> Gail:
>
> Did Tucson ever have an RFI team. I know in the past RFI teams were
> primarily out to get the ham out of the TV and other devices but I wonder
> if there was a group and if they got involved locating other RFI sources. I
> know someone who has some of the right equipment to do RFI Fox hunting that
> might be receptive to be invited to join a group like that.
>
> How about if you be the king of RFI?:-)
>
> Jerry
>
> On 6/26/2013 1:54 PM, n7bxx at q.com wrote:
>
>> is it time to organist some sort of RFI group? Might be fun/productive to
>> get together for dinner some evening and see what happens.  I am sure
>> interested.
>>
>> Gail N7BXX
>>
>>
>> ----- Original Message -----
>> From: "JERRY" <jdwothe at cox.net>
>> To: "Southern AZ DX Association E-Mail Reflector" <sadxa at mailman.qth.net>
>> Sent: Wednesday, June 26, 2013 1:49:54 PM
>> Subject: Re: [SADXA] HF amplifier for sale
>>
>> Hi Tom:
>>
>> The noise issue is a messy one at best and now days with all the
>> electronics its very difficult to pin down what is making the noise.
>> Anyone who has tried to listen to the weak signals  for very long have
>> run into the problem whether they know it or not. The problem is far
>> worse now than when I began in the 50s when just about the only thing
>> that made noise was  the TV sets.
>>
>> Through the years I have had several cases of various kinds of RFI and
>> have had  good success with Ferites with a lot of the problems. Just the
>> addition of adding a computer to the station is introducing RFI. Then
>> there are the peripherals for computers, like printers, USB hubs,
>> routers etc. Been there with all of them at one time or the other.
>>
>> Unfortunately I did not record with any of those things sound like and
>> would not now recognize many of them if I did hear it. Some times I get
>> noises one would say for sure is a power line noise but isn't. The TEP
>> guy from Tucson, who is now gone, a couple of times came out and
>> listened to what I was hearing and tracked the items down even though we
>> knew up front it was not Power line stuff. That will never happen again
>> I would bet. No anyway if the management knows about it. Gary, the TEP,
>> guy found a water heater thermostat causing problems and it was over a
>> quarter mile away. He also found a dog fence causing a huge problem  for
>> me until he came up with it.
>>
>> I know Dick, W1KSZ, has looked at this a bit and maybe someone in the
>> club will come up with some of the  typical sounds for all the identify
>> with. We will see.
>>
>> Heard you on 6 last night calling Jimmy at V31 but did not hear you make
>> a report. I did not hear a  thing from him when you were calling. I
>> worked him a couple of days ago so that took the pressure off. I also
>> caught the VP2V/W9DR a very few minutes after V31IV. They were both new
>> ones for me, Nos 62 and 63 worked.
>>
>> In any event I guess we will have to work around the noise thing until
>> something better comes along.
>>
>> Jerry
>>
>> On 6/25/2013 9:00 AM, Tom Kramer wrote:
>>
>>> Hi Jerry,
>>>   A sad commentary on corporate America but becoming more and more
>>> common as companies simply ignore regulations until they get litigated
>>> in some way. However, my main objective is to highlight this part of
>>> your message:
>>> ".. folks ... seem not to either know what they are hearing..."
>>> as that is often my problem.  I get all kinds of interference but have
>>> a hard time deterring what it might be.
>>>
>>>    I am not certain how we might do this but a nifty club program would
>>> be demonstrating what different RFI signals might sound like, not just
>>> power line, but plasma TVs, internet Wi-Fi, washing machines etc.  I
>>> can with relative ease record what my neighbors washing machine sounds
>>> like on 6m ( and 17, 15,12,10, 2 and 222 mHz).  Also can record the
>>> Wi-Fi interference from my ISP on 160 -> 10m.   Can others in the
>>> group record plasma TV RFI and other interference that they can identify?
>>>
>>>   I just had an occurrence this morning while running FSK441 Meteor
>>> scatter on 2m.  Suddenly was hit but an S9 noise.  Off the center
>>> frequency it sounded like white noise but tuning to the signal peak it
>>> was pulsating.  I got out my FT817 and put on a 12 inch wire antenna
>>> and walked my yard and near neighbors houses only to discover it was
>>> the USB hub on my own desktop. I could copy it up to 100 ft away from
>>> the shack.  I use it to connect two USB to serial adapters for
>>> connecting my two main radios for computer interface.   Disconnected
>>> the hub and connected the USB/serial adapters direct to desktop ... no
>>> RFI.  BUT what's even more weird is when I connected the USB hub to
>>> the back of the computer and use it for the keyboard and Wi-Fi modem
>>> and ...NO RFI.  Hard to figure out.
>>>
>>>
>>>
>>> ----- Original Message ----- From: "JERRY" <jdwothe at cox.net>
>>> To: "Bob Coomler" <w7swl at yahoo.com>; "Southern AZ DX Association
>>> E-Mail Reflector" <sadxa at mailman.qth.net>
>>> Sent: Sunday, June 23, 2013 11:27 AM
>>> Subject: Re: [SADXA] HF amplifier for sale
>>>
>>>
>>>  Hi Bob:
>>>>
>>>> Well at issue here is we need folks that have RFI to make a list of
>>>> their issues and call them in so we have something to work with.
>>>>
>>>> The problem I personally have is pretty minor however there are folks
>>>> much closer to a big noise source that seem not to either know what
>>>> they are hearing or it isn't a big enough issue to do something. What
>>>> I am afraid of is one of these days a big source will show up and
>>>> there is no quick path to resolve it as there was when Gary was
>>>> around. Going the route you suggest and what is probably going to
>>>> have to happen will take weeks and maybe even months to resolve.
>>>>
>>>> I mentioned it a few month ago at radio club before Gary retired and
>>>> the reception was like a flock of deer in the headlights. I just
>>>> cannot believe no one in town has RFI problems.
>>>>
>>>> It took Gary and I many months to track down all the issues within
>>>> about 2.5 miles of my place that I could hear on one band or the
>>>> other. Right now it is great but in time that is going to change.
>>>>
>>>> I suspect TEP still has the equipment Gary was using but in time I
>>>> also know corporations send stuff not being use to salvage, then when
>>>> they need it, it wont be in the budget so they cant go out and buy new.
>>>>
>>>> Thanks for the input.
>>>>
>>>> Jerry
>>>>
>>>>
>>>>
>>>>
>>>> On 6/23/2013 10:46 AM, Bob Coomler wrote:
>>>>
>>>>> If you are an ARRL member, I'd suggest contacting Mike Gruber, W1MG,
>>>>> at the League headquarters. When I was living in northern
>>>>> California, PG&E kept blowing off my complaints, but Mike was able
>>>>> to work some magic and I had their undivided attention.  They ended
>>>>> up bringing in an independent RFI consultant from the east coast.
>>>>> My problem was found, solved and PG&E had the foresight to make it
>>>>> an in-service for the staff. I doubt that TEP would similarly
>>>>> respond, but Mr. Gruber does seem to get things done.
>>>>>
>>>>> Bob W7SWL
>>>>>
>>>>>
>>>>>
>>>>>  ______________________________**__
>>>>>> From: JERRY <jdwothe at cox.net>
>>>>>> To: Southern AZ DX Association E-Mail Reflector
>>>>>> <sadxa at mailman.qth.net>
>>>>>> Sent: Sunday, June 23, 2013 10:01 AM
>>>>>> Subject: Re: [SADXA] HF amplifier for sale
>>>>>>
>>>>>>
>>>>>> Hi Ted:
>>>>>>
>>>>>> Sad to say that TEP finds that noise abatement  by their power
>>>>>> lines is
>>>>>> no longer a concern to them. They have not and do not intend to
>>>>>> replace
>>>>>> Gary. Our only first step is to contact TEP and file an RFI
>>>>>> complaint. I
>>>>>> have done that and they blew it off without even a reply. Then if I
>>>>>> understand the process we are to file a compliant with the state but I
>>>>>> am not sure who as I have not looked into it. If that does not get
>>>>>> them
>>>>>> off the dime then we are to file a complaint with the FCC outlining
>>>>>> dates and who we have contacted regarding the RFI.
>>>>>>
>>>>>> I would hope it doesn't get to that but it might in order for them to
>>>>>> get someone in that position.
>>>>>>
>>>>>> Regarding the tower, it is sold.
>>>>>>
>>>>>> BTW to put that tower up in Pima county would be just about impossible
>>>>>> with the situation we find ourselves in with the county.
>>>>>>
>>>>>> Jerry
>>>>>>
>>>>>>
>>>>>> On 6/23/2013 9:49 AM, Theodore DOWNING wrote:
>>>>>>
>>>>>>> Jerry,
>>>>>>>
>>>>>>> Good to see you at SADXA and an interesting talk. I am ready to move
>>>>>>> out into the boondocks after returning home to listen to the urban
>>>>>>> noise.  Who is the contact point in TEP now that Gary has retired?
>>>>>>>
>>>>>>> Second, do you still have Donny's tower?  I may be interested if it
>>>>>>> has engineering papers...for my new place in the boonies.
>>>>>>>
>>>>>>> Ted w7key
>>>>>>> ______________________________**______________________________**__
>>>>>>> SADXA Website http://www.sadxa.org
>>>>>>>
>>>>>>> SADXA mailing list
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>>>>>>>
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>>>>>> ______________________________**______________________________**__
>>>>>> SADXA Website http://www.sadxa.org
>>>>>>
>>>>>> SADXA mailing list
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>>>>>> Help: http://mailman.qth.net/mmfaq.**htm<http://mailman.qth.net/mmfaq.htm>
>>>>>> Post: mailto:SADXA at mailman.qth.net
>>>>>>
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>>>>>>
>>>>>>
>>>>>>  ______________________________**______________________________**__
>>>>> SADXA Website http://www.sadxa.org
>>>>>
>>>>> SADXA mailing list
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>>>>> Help: http://mailman.qth.net/mmfaq.**htm<http://mailman.qth.net/mmfaq.htm>
>>>>> Post: mailto:SADXA at mailman.qth.net
>>>>>
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>>>>>
>>>> ______________________________**______________________________**__
>>>> SADXA Website http://www.sadxa.org
>>>>
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>>>>
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>>> ______________________________**______________________________**__
>>> SADXA Website http://www.sadxa.org
>>>
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>>>
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>> ______________________________**______________________________**__
>> SADXA Website http://www.sadxa.org
>>
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>> Post: mailto:SADXA at mailman.qth.net
>>
>> This list hosted by: http://www.qsl.net
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>> ______________________________**______________________________**__
>> SADXA Website http://www.sadxa.org
>>
>> SADXA mailing list
>> Home: http://mailman.qth.net/**mailman/listinfo/sadxa<http://mailman.qth.net/mailman/listinfo/sadxa>
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>>
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>
> ______________________________**______________________________**__
> SADXA Website http://www.sadxa.org
>
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>
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