[RFI] Grow Lights

[Dave Cole]

What I am saying is that if it is a SMPS, and you go up, you won't hear 
it, so no need to go up...

73, and thanks,
Dave (NK7Z)
https://www.nk7z.net
ARRL Volunteer Examiner
ARRL Technical Specialist
ARRL Asst. Director, NW Division, Technical Resources

On 1/7/20 1:31 PM, KD7JYK DM09 wrote:
> "This assumes you actually see the RFI at higher frequencies... "
> 
> True, and I know it seems all counter-intuitive/rocket-sciencey, but one 
> typically does not search for RFI where it does not exist, cannot be 
> heard, found, or otherwise seen.
> 
> Go as high as one can hear it, that should be adequate.  Spin the dial 
> up, then down, use what works best.  Higher in frequency is usually 
> best, but 24 GHz may be a bit over the top for a switching mode power 
> supply.
> 
> I suggest one NOT start there when getting blasted on HF, but VHF should 
> be step-two.
> 
> Kurt
> 
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