[Elecraft] OT: LED Light Bulbs

[Jim Brown]

On 10/24/2017 5:55 AM, Bob McGraw K4TAX wrote:
> When the transmitter was activated, the spikes of noise appeared.  
> With the transmitter off, the spikes again were not present.    Not a 
> real analytical or scientific method but some degree of indication 
> that some are better than others, some are worse than others. 

Sounds like classic received and re-radiated intermod, Bob. W3LPL has 
chased this down, and I've observed it in our CW contesting trailer. Set 
up in the middle of nowhere, no issues with transmitter harmonics or 
intermod. Set up anywhere around civilization, strong harmonics and 
intermod.

73, Jim K9YC