I did a little more DFing this morning. I think I was finally able to
hear it with my portable radio and 2m yagi. It appears to come from a
neighbor's garage. I'm thinking battery charger or something. Some
sort of wall wort I would guess. I've been hearing this since last
Fri or Sat. I wonder if the neighbor went on vacation and left
something on. If so, then I'll have a great argument for why he
better fix his problem. If I can figure out he's on vacation by
listening to the radio, then others can too :-)
On Wed, Aug 4, 2010 at 8:40 AM, Jim Brown <jim@audiosystemsgroup.com> wrote:
> On Wed, 4 Aug 2010 08:16:59 -0700, Kelly Johnson wrote:
>
>>Anyone have a theory about what would cause RFI with a primary 120Hz
>>component instead of 60Hz?
>
> Could be an arc on both the positive and negative excursions.
>
> 73, Jim K9YC
>
>
>
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