[SADXA] HF amplifier for sale

JERRY jdwothe at cox.net
Wed Jun 26 17:01:00 EDT 2013


Voting is closed. Gail is it!


On 6/26/2013 1:59 PM, Richard Solomon wrote:
> 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
>>>>>>>> Home: http://mailman.qth.net/**mailman/listinfo/sadxa<http://mailman.qth.net/mailman/listinfo/sadxa>
>>>>>>>> Help: http://mailman.qth.net/mmfaq.**htm<http://mailman.qth.net/mmfaq.htm>
>>>>>>>> Post: mailto:SADXA at mailman.qth.net
>>>>>>>>
>>>>>>>> This list hosted by: http://www.qsl.net
>>>>>>>> You can support qsl.net: http://www.qsl.net/donate.html
>>>>>>>>
>>>>>>> ______________________________**______________________________**__
>>>>>>> SADXA Website http://www.sadxa.org
>>>>>>>
>>>>>>> SADXA mailing list
>>>>>>> Home: http://mailman.qth.net/**mailman/listinfo/sadxa<http://mailman.qth.net/mailman/listinfo/sadxa>
>>>>>>> Help: http://mailman.qth.net/mmfaq.**htm<http://mailman.qth.net/mmfaq.htm>
>>>>>>> Post: mailto:SADXA at mailman.qth.net
>>>>>>>
>>>>>>> This list hosted by: http://www.qsl.net
>>>>>>> You can support qsl.net: http://www.qsl.net/donate.html
>>>>>>>
>>>>>>>
>>>>>>>   ______________________________**______________________________**__
>>>>>> SADXA Website http://www.sadxa.org
>>>>>>
>>>>>> SADXA mailing list
>>>>>> Home: http://mailman.qth.net/**mailman/listinfo/sadxa<http://mailman.qth.net/mailman/listinfo/sadxa>
>>>>>> Help: http://mailman.qth.net/mmfaq.**htm<http://mailman.qth.net/mmfaq.htm>
>>>>>> Post: mailto:SADXA at mailman.qth.net
>>>>>>
>>>>>> This list hosted by: http://www.qsl.net
>>>>>> You can support qsl.net: http://www.qsl.net/donate.html
>>>>>>
>>>>> ______________________________**______________________________**__
>>>>> SADXA Website http://www.sadxa.org
>>>>>
>>>>> SADXA mailing list
>>>>> Home: http://mailman.qth.net/**mailman/listinfo/sadxa<http://mailman.qth.net/mailman/listinfo/sadxa>
>>>>> Help: http://mailman.qth.net/mmfaq.**htm<http://mailman.qth.net/mmfaq.htm>
>>>>> Post: mailto:SADXA at mailman.qth.net
>>>>>
>>>>> This list hosted by: http://www.qsl.net
>>>>> You can support qsl.net: http://www.qsl.net/donate.html
>>>>>
>>>> ______________________________**______________________________**__
>>>> SADXA Website http://www.sadxa.org
>>>>
>>>> SADXA mailing list
>>>> Home: http://mailman.qth.net/**mailman/listinfo/sadxa<http://mailman.qth.net/mailman/listinfo/sadxa>
>>>> Help: http://mailman.qth.net/mmfaq.**htm<http://mailman.qth.net/mmfaq.htm>
>>>> Post: mailto:SADXA at mailman.qth.net
>>>>
>>>> This list hosted by: http://www.qsl.net
>>>> You can support qsl.net: http://www.qsl.net/donate.html
>>>>
>>> ______________________________**______________________________**__
>>> SADXA Website http://www.sadxa.org
>>>
>>> SADXA mailing list
>>> Home: http://mailman.qth.net/**mailman/listinfo/sadxa<http://mailman.qth.net/mailman/listinfo/sadxa>
>>> Help: http://mailman.qth.net/mmfaq.**htm<http://mailman.qth.net/mmfaq.htm>
>>> Post: mailto:SADXA at mailman.qth.net
>>>
>>> This list hosted by: http://www.qsl.net
>>> You can support qsl.net: http://www.qsl.net/donate.html
>>> ______________________________**______________________________**__
>>> SADXA Website http://www.sadxa.org
>>>
>>> SADXA mailing list
>>> Home: http://mailman.qth.net/**mailman/listinfo/sadxa<http://mailman.qth.net/mailman/listinfo/sadxa>
>>> Help: http://mailman.qth.net/mmfaq.**htm<http://mailman.qth.net/mmfaq.htm>
>>> Post: mailto:SADXA at mailman.qth.net
>>>
>>> This list hosted by: http://www.qsl.net
>>> You can support qsl.net: http://www.qsl.net/donate.html
>>>
>> ______________________________**______________________________**__
>> SADXA Website http://www.sadxa.org
>>
>> SADXA mailing list
>> Home: http://mailman.qth.net/**mailman/listinfo/sadxa<http://mailman.qth.net/mailman/listinfo/sadxa>
>> Help: http://mailman.qth.net/mmfaq.**htm<http://mailman.qth.net/mmfaq.htm>
>> Post: mailto:SADXA at mailman.qth.net
>>
>> This list hosted by: http://www.qsl.net
>> You can support qsl.net: http://www.qsl.net/donate.html
>>
> ______________________________________________________________
> SADXA Website http://www.sadxa.org
>
> SADXA mailing list
> Home: http://mailman.qth.net/mailman/listinfo/sadxa
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:SADXA at mailman.qth.net
>
> This list hosted by: http://www.qsl.net
> You can support qsl.net: http://www.qsl.net/donate.html
>



More information about the SADXA mailing list