Hi Dave,
I have found all of the grow light stores here in the Boulder, CO area
to be extremely friendly and helpful to the extent that they let me make
measurements in their store so I could develop a filter. One store gave
me some used bulbs that still worked after a grower loaned me his
ballast. I used this setup to further develop my filter.
I , also, found that the proprietors were not aware of any RFI issues
with their ballasts, so your education approach is a really good idea.
I have tested three ballasts: the Lumatek 1000, the Micromole 1000 and
the Quantum 1000 watt. None of these ballasts were quiet. They were at
least 40-dB over part 18 limits.
Tom W0IVJ
On 5/19/2014 1:01 PM, David Cole wrote:
Hi,
I am considering assisting one of the local grow shops in town, (we live
in Oregon, where medical use is state approved), select a set of lights
that are RFI friendly... I would appreciate any comments on this from
anyone, dealing with two issues:
1. Could one be considered as aiding a grow operation by this, ie. is
there a danger legally to the person assisting the shop?
2. Can anyone suggest some RFI friendly grow light setup?
I dropped off a copy of our clubs RFI flier with the local Pot sales
shop here. They say they will pass it around to the legal growers.
I am considering a growers workshop about RFI. Covering what RFI is,
how it harms things, how easy it is to locate, and what measures one
might take to reduce it. I will not suggest things that could catch
houses on fire, etc, but only links to the various RFI sites. It would
be really nice to have a list of RFI friendly grow lamps to suggest.
It would be nice if the ARRL would ask their Attorney about question 1,
and post the response here in addition to anyone who might be an
attorney speaking out.
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