Re: [digitalradio] RFI Identification

[W4LDE-Ron]

Tom,

Where are you located since I have heard the same noise, it comes and 
goes, QTH is central Florida.  Next time I hear it I will start turning 
the beam and see what I see as the direction of the noise.  Most of the 
time it seems to shift in frequency where I hear it which would probably 
indicate that its skip and not local.

Ron W4LDE

Tony wrote:
> Howard,
>
>   
>> I use a portable shortwave broadcast radio to find noise sources
>> 
>
> Good advise - I plan on doing that. See attached picture and audio 
> files.
>
> Thanks,
>
> Tony -K2MO
>
>
> - Original Message - 
> From: "Howard Brown" <[EMAIL PROTECTED]>
> To: 
> Sent: Sunday, January 20, 2008 8:07 PM
> Subject: Re: [digitalradio] RFI Identification
>
>
>   
>> Hello Tony,
>>
>> I use a portable shortwave broadcast radio to find noise sources.  I 
>> just walk around to where it gets stronger, then fades.  I have found 
>> leaky insulators on power poles, etc.  Good Luck.
>>
>> Howard K5HB
>>
>> - Original Message ----
>> From: Tony <[EMAIL PROTECTED]>
>> To: digitalradio@yahoogroups.com
>> Sent: Sunday, January 20, 2008 6:59:02 PM
>> Subject: [digitalradio] RFI Identification
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>All,
>>
>>
>>
>> I have an RFI problem that I'm trying to identify. It's a continuous
>>
>> pulse noise that pops on every 1/2 second. The timing between each 
>> pulse
>>
>> is perfect (about 0.533 seconds) and doesn't seem to change.
>>
>>
>>
>> The noise is spread accross all HF bands and on some days it seems to
>>
>> creep up into the 100MHz range; it's also stronger on the lower
>>
>> frequencies. The signal is directional and goes from almost nothing to
>>
>> S-8 with the antennas pointed south.
>>
>>
>>
>> The noise appeard suddenly in December and has not stopped. I have a
>>
>> recording and would appreciate any suggestions.
>>
>>
>>
>> Thanks,
>>
>>
>>
>> Tony -K2MO
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>> 
>>
>>
>>
>> 
>>
>>
>>
>> 
>>
>>
>>
>>
>>
>>
>> 
>
>
> Announce your digital presence via our Interactive Sked Page at
> http://www.obriensweb.com/sked
>
>
> DRCC contest info : http://www.obriensweb.com/drcc.htm
>  
> Yahoo! Groups Links
>
>
>
>   
>
> 
>

Re: [digitalradio] RFI Identification

[Howard Brown]

Hello Tony,

I use a portable shortwave broadcast radio to find noise sources.  I just walk 
around to where it gets stronger, then fades.  I have found leaky insulators on 
power poles, etc.  Good Luck.

Howard K5HB

- Original Message 
From: Tony <[EMAIL PROTECTED]>
To: digitalradio@yahoogroups.com
Sent: Sunday, January 20, 2008 6:59:02 PM
Subject: [digitalradio] RFI Identification










  



All,



I have an RFI problem that I'm trying to identify. It's a continuous 

pulse noise that pops on every 1/2 second. The timing between each pulse 

is perfect (about 0.533 seconds) and doesn't seem to change.



The noise is spread accross all HF bands and on some days it seems to 

creep up into the 100MHz range; it's also stronger on the lower 

frequencies. The signal is directional and goes from almost nothing to 

S-8 with the antennas pointed south.



The noise appeard suddenly in December and has not stopped. I have a 

recording and would appreciate any suggestions.



Thanks,



Tony -K2MO 






  

[digitalradio] RFI Identification

[Tony]

All,

I have an RFI problem that I'm trying to identify. It's a continuous 
pulse noise that pops on every 1/2 second. The timing between each pulse 
is perfect (about 0.533 seconds) and doesn't seem to change.

The noise is spread accross all HF bands and on some days it seems to 
creep up into the 100MHz range; it's also stronger on the lower 
frequencies. The signal is directional and goes from almost nothing to 
S-8 with the antennas pointed south.

The noise appeard suddenly in December and has not stopped. I have a 
recording and would appreciate any suggestions.

Thanks,

Tony -K2MO