[K3CAL] RF Interference

[Monica Noell]

Thanks!  I'll add beer and magnets to my list of necessities for Field 
Day.  I learn something new from you guys every day!
M
On 1/24/2015 11:42 AM, Richard Terlisner wrote:
> jim tetlow's right.  the only thing they use magnets for anymore is 
> attaching them to bracelets & headbands to magnetically draw the pain 
> out of your body from the beers after field day.
>
> On Sat, Jan 24, 2015 at 10:48 AM, Rich Weaver <weaverr at comcast.net 
> <mailto:weaverr at comcast.net>> wrote:
>
>     **Should you be eligible for this program (or not)...Sad smile**
>     **Marijuana grow-lights cause problems for ham-radio operators**
>
>     The marijuana industry and Uncle Sam haven't been on the same page
>     for 80 years, but these days, in a unique bit of weirdness, it's
>     not the U.S. Department of Justice that could create a problem for
>     pot growers: It's the Federal Communications Commission.
>
>     The FCC regulates the country's electronic communications, which
>     is relevant because it turns out that, bizarrely, light ballasts
>     used in the growing of cannabis emit radio-frequency interference
>     that screws up amateur-radio transmissions being sent by local ham
>     operators, a licensed, legally protected practice.
>
>     In a March 12 letter to the commission, the American Radio Relay
>     League, the national association for amateur radio, complained
>     that interference from grow lights was greatest in the medium- and
>     high-frequency bands between 1.8 and 30 megahertz, and that it
>     comes in no small amount.
>
>     "The level of conducted emissions from this [Lumatek LK1000 grow
>     light] is so high that, as a practical matter, one RF ballast
>     operated in a residential environment would create preclusive
>     interference to Amateur radio HF communications throughout entire
>     neighborhoods," wrote general counsel Christopher Imlay to acting
>     chief of the FCC Spectrum Enforcement Division John Poutasse in
>     the hopes the agency would halt sales.
>
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