BLIND-HAMS Archives

For blind ham radio operators

BLIND-HAMS@LISTSERV.ICORS.ORG

Options: Use Forum View

Use Monospaced Font
Show Text Part by Default
Show All Mail Headers

Message: [<< First] [< Prev] [Next >] [Last >>]
Topic: [<< First] [< Prev] [Next >] [Last >>]
Author: [<< First] [< Prev] [Next >] [Last >>]

Print Reply
Subject:
From:
Anthony Vece <[log in to unmask]>
Reply To:
For blind ham radio operators <[log in to unmask]>
Date:
Mon, 3 Sep 2007 13:27:13 -0400
Content-Type:
text/plain
Parts/Attachments:
text/plain (155 lines)
Hi Steve;

I'll check it out.

Thank You

Anthony


----- Original Message ----- 
From: "Steve Forst" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Monday, September 03, 2007 1:09 PM
Subject: Re: LOW LEVEL HUM!!!


> Anthony,
>
> I think Radio Shack still may carry them.  Last one I bought was a few 
> years
> ago and was around 3 bucks.   It's  smaller than the first joint of your
> little finger and has 4 color coded wires coming off it.   If you don't 
> have
> sighted help  or a color identifier to separate the  4 wires into the 
> proper
> 2 pairs,  a beeping  tester should do the trick.   The insulation on the
> wires is super tough and it's easy to  cut all the way through the  whole
> thing, so be careful.  Check Radio Shack for "audio transformer".
>
> They also carry something called  a "ground loop isolator"  for around 17
> bucks.       There should be info on the RS site.   I think this is more 
> of
> a plug in type of thing, so  you may need adapters depending on what  you
> are connecting to what.
>
>
>
> Happy humming,  Steve KW3A
>
> ----- Original Message ----- 
> From: "Anthony Vece" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Sunday, September 02, 2007 11:07 PM
> Subject: Re: LOW LEVEL HUM!!!
>
>
>> Where do I get it and, how do I install it.
>>
>> 73 De Anthony W2AJV
>> [log in to unmask]
>> ECHOLINK NODE NUMBER: 74389
>>
>> ----- Original Message ----- 
>> From: "Lou Kline" <[log in to unmask]>
>> To: <[log in to unmask]>
>> Sent: Sunday, September 02, 2007 10:07 PM
>> Subject: Re: LOW LEVEL HUM!!!
>>
>>
>>> Hi.
>>>
>>> I think I like the suggestion of using an isolation transformer.  If it
>>> is
>>> any kind of grounding hum, that should knock it out.
>>>
>>> 73, de Lou K2LKK
>>>
>>>
>>>
>>> At 05:44 PM 9/2/2007 -0400, you wrote:
>>>>Not very close at all.
>>>>
>>>>
>>>>----- Original Message -----
>>>>From: "Lou Kline" <[log in to unmask]>
>>>>To: <[log in to unmask]>
>>>>Sent: Sunday, September 02, 2007 2:00 PM
>>>>Subject: Re: LOW LEVEL HUM!!!
>>>>
>>>>
>>>> > How close does your cabling pass to your monitor.  I'm thinking some
>>>> > type
>>>> > of magnetic induction is occurring, probably either from a CRT or one
>>>> > of
>>>> > the power supplies associated with your  computer system.  The small
>>>> > DC
>>>> > power supplies such as the ones used on speakers, DSL modems, cable
>>>> > modems,
>>>> > printers, etc. are suspect.
>>>> >
>>>> > 73, de Lou K2LKK
>>>> >
>>>> >
>>>> >
>>>> > At 07:28 PM 8/30/2007 -0400, you wrote:
>>>> >>Hi Everyone;
>>>> >>
>>>> >>I am attempting to play my computer through my system.
>>>> >>
>>>> >>I am getting a low level hum.
>>>> >>
>>>> >>That's when I play it using the digital jack on the sound card.
>>>> >>
>>>> >>When I play it through one of the speaker jacks the hum is still 
>>>> >>there
>>>> >>but,
>>>> >>it's not as noticeable because the audio level is higher.
>>>> >>
>>>> >>When I turn the computer off, the hum disappears.
>>>> >>
>>>> >>When I boot up the computer, the hum is there even before windows
>>>> >>comes
>>>> >>up.
>>>> >>
>>>> >>Any ideas?
>>>> >>
>>>> >>73 De Anthony W2AJV
>>>> >>[log in to unmask]
>>>> >>ECHOLINK NODE NUMBER: 74389
>>>> >>
>>>> >>
>>>> >>
>>>> >>--
>>>> >>No virus found in this incoming message.
>>>> >>Checked by AVG Free Edition.
>>>> >>Version: 7.5.484 / Virus Database: 269.13.2/985 - Release Date:
>>>> >>9/2/2007
>>>> >>4:32 PM
>>>> >
>>>> > Louis Kim Kline
>>>> > A.R.S. K2LKK
>>>> > Home e-mail:  [log in to unmask]
>>>> > Work e-mail:  [log in to unmask]
>>>> > Work Telephone:  (585) 697-5740
>>>> >
>>>>
>>>>
>>>>
>>>>--
>>>>No virus found in this incoming message.
>>>>Checked by AVG Free Edition.
>>>>Version: 7.5.484 / Virus Database: 269.13.2/985 - Release Date: 9/2/2007
>>>>4:32 PM
>>>
>>> Louis Kim Kline
>>> A.R.S. K2LKK
>>> Home e-mail:  [log in to unmask]
>>> Work e-mail:  [log in to unmask]
>>> Work Telephone:  (585) 697-5740
>>>
>>
>>
>>
> 

ATOM RSS1 RSS2