[RFI] Compass Vectors

[Roger (K8RI)]

Select your area with as much resolution as possible.
Drive to a location, take a bearing.  using the Google distance ruler, 
draw a line through your point.  Drive to another point and repeat.  Two 
bearings are often sufficient, but three leave a small diamond for the 
region of error.  Much easier to do than explain, although there is a 
learning curve.

It gets messy with RFI hunting when there are multiple sources, with 
overlapping and similar patterns as in multiple networks or an area 
where there are a mix og cable and outside antenna and the users just 
wired the preamps and cable together.  This sometimes can lead to a much 
larger region of error.

73 es good luck

Roger  (K8RI)


On 11/30/2015 8:16 PM, Karin Johnson wrote:
> I'm planning on doing some RFI hunting and wanted to know if anyone
> knows how to plot compass vectors on Google Maps?
> I need to plot intersecting vectors from a direction finding loop to
> find the source of an RFI generator.
>
> Karin   K3UU
> Palm Harbor, FL
>
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