[RFI] RFI location finders

David Cole dave at nk7z.net
Mon May 26 22:55:39 EDT 2014

You are talking about an Ultrasonic rx used to listen for sparks...
See: http://nk7z.net/ultrasonic-listening-device/
for a review of one...

Thanks and 73's,
For equipment, and software setups and reviews see:
for MixW support see;
for Dopplergram information see:
for MM-SSTV see:

On Mon, 2014-05-26 at 13:01 -0600, W0MU Mike Fatchett wrote:
> http://www.nationalrf.com/type_hfdf_vector.htm.
> This is one option.  What are the others?
> I recall reading about a dish type that is more directional.
> W0MU
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