[RFI] Handheld HF direction finder

Rich Hallman - N7TR rich at n7tr.com
Sun May 18 18:19:19 EDT 2014


On my ft-100 in the utv and a hustler 80 meter mobile vertical it's about 10 over near the source.   Freq is 3900. But many other harmonics of the mix every 10 kHz, but 3900 is the loudest.    I think I sent a you tube video of what I'm seeing a few weeks ago.    Thanks....

Rich Hallman, N7TR
Ex.  KI3V, N3AMK, HL9RH, A92FN

> On May 18, 2014, at 3:14 PM, "Kenneth G. Gordon" <kgordon2006 at frontier.com> wrote:
> 
>> On 18 May 2014 at 21:50, Rich Hallman - N7TR wrote:
>> 
>> I need to track down a broadcast station mixing problem, and seem to be
>> close to the source I think but unable to nail the location.   Is there a
>> direction finding solution others have used for 80 and 40 meters that worked
>> for them?    Thanks....Rich
> 
> Hello, Rich:
> 
> Nice Collins and Drake setups you have on QRZ.com.
> 
> When you say you are possibly "close" to the source, how close do you 
> mean?
> 
> The reason I ask is that if you are very close, you will need a rig with 
> a pretty good attenuator in conjunction with it.
> 
> Also, what frequencies are you specifically dealing with?
> 
> Ken W7EKB


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