[RFI] HF Handy Talkie for RFI Detection?

[Jim Brown]

That sounds like a great setup, Tom.

73, Jim K9YC

On Fri,2/5/2016 8:48 PM, Tom Thompson wrote:
> Tony,
>
> I have been using an SDRPlay ($150 from HRO) and a small laptop or 
> tablet running HDSDR (free).  If you build or buy a high impedance 
> preamp, you can use a 3 ft. whip with a magmount and you have a wide 
> band set up that will show you the spectrum of the RFI from your car.  
> When you get closer you can DF it with a loop.  I have found that 
> being able to look at the whole spectrum is really helpful in tracking 
> down the RFI because you can really keep track of the RFI signature.  
> The SDRPlay allows you to look at about 5 MHz of spectrum from 100 kHz 
> to about 2 GHz.
>
> Tom   W0IVJ
>
> On 2/5/2016 7:52 PM, Tony wrote:
>> All:
>>
>> I've had an RFI issue coming from a specific direction for several 
>> years. It's a unique noise that appears on several HF bands which is 
>> usually a couple of S-units above the noise i.e., just enough to 
>> cover weak signals in that direction.
>>
>> I thought I could use a VHF / UHF radio to pinpoint the source, but 
>> I'm not able to hear it on my all-mode VHF/UHF home station with Yagi 
>> antennas.
>>
>> The ideal setup might be a portable HF radio which can tune the same 
>> frequencies that are susceptible to the noise. Something small enough 
>> to carry and use with a portable HF loop.
>>
>> I was thinking about a Kenwood TH-F6A that has HF SSB / CW coverage, 
>> but I'm told the receiver isn't very sensitive; even with an external 
>> antenna.
>>
>> Any suggestions?
>>
>> Thanks
>>
>> Tony
>>
>>
>>
>>
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>
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