[RFI] FW: Topband: Exciting noise sources (Tim Duffy K3LR)

donovanf at starpower.net donovanf at starpower.net
Mon Mar 28 16:37:44 PDT 2011


Hi Tom,

The receiver I use most frequently for RFI hunting is a Yaesu FT-847 that covers HF, 50 MHZ, 144 MHz and 440 MHz.  It has excellent sensitivity and an analog meter.  I use a short vertical on the roof of my vehicle.

When needed, I use an FT-817 and 440 MHz Yagi to isolate the source more precisely.  

73
Frank
W3LPL





---- Original message ----
>Date: Mon, 28 Mar 2011 18:58:21 -0400
>From: K8TB <k8tb at bosscher.org>  
>Subject: Re: [RFI] FW: Topband: Exciting noise sources (Tim Duffy K3LR)  
>To: rfi at contesting.com
>
>Frank,
>
>     Have you ever experimented with using the very common FT-817 and a 
>2 meter/440 beam? You can turn the AGC off, and receive in the AM mode. 
>I just might have to go outside and "find" a bad pole !
>
>     And thank you for your input on this forum. Some really solid stuff 
>here.
>
>                     tom k8tb
>
>
>
>On 3/28/2011 11:52 AM, Frank Haas KB4T wrote:
>>
>> There are so many "all band" capable receivers available today, it should be
>> easy to find one. Any portable 2 meter or even a UHF yagi antenna will work
>> fairly well. A good attenuator, cables with properly installed connectors
>> are also requirements, in my opinion.
>
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