[RFI] Garage Door RFI

[Dan K2YWE]

The lamps in my opener ate switched on when opening and time out a few
minutes later.


73 QWH QWM,
Dan K2YWE (K3AU)

On Fri, Jun 12, 2020, 9:46 AM jimk8mr--- via RFI <rfi at contesting.com> wrote:

>  Interesting observation, though would not opening - vs. closing - the
> door have been unaffected since the light would have been off before
> opening, unless the door had recently been operated? Those bulbs aren't on
> at all times, are they?
>
> 73  -  Jim   K8MR
>
>
>
>
> -----Original Message-----
> From: Jim McCook <w6ya at cox.net>
> To: RFI List <rfi at contesting.com>
> Sent: Fri, Jun 12, 2020 9:37 am
> Subject: [RFI] Garage Door RFI
>
> For years I've easily opened my garage door with the car's remote system
> from 400 ft. away.  A few weeks ago I noticed that was no longer
> possible.  Even from my own driveway it was often hard to open it.  I
> had installed a couple of 11w LED bulbs in the main motor unit.  I had
> no concern, since I have 35 Cree LED floods in my house that do not
> create noise beyond a few inches.  This was different.  Those bulbs
> generated noise in the 300Mhz spectrum that interfered with the
> reception from the remote.  Replacing them with 23w CFL lights solved
> the problem. Beware of LED lights in a garage door opener!!!
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