Here's one with video
Don't know what part of the world you're in, but I see marijuana busts
using infrared [both indoors and out because the plants themselves
have a unique 'signature'] on the news a couple times a month.
Oh, cite yourself. I don't think anyone is driving around with a thermal
camera looking at rec room walls, but every year or so around here,
local news and/or discovery channel shows a tape of IR imaging from a
DEA or State Police chopper, cruising out in the country once harvest
season starts, looking for hotspots in pole barns. They then do a
drive-by, and if it isn't a working farm with animals, investigate
further, including pulling utility bills. Nobody monitors utility bills
of customers at random.
I don't think they mess with small basement growers much any more- no
money in that, for them. They want people growing on an industrial
scale, so they can seize and sell off the property and equipment,
thereby putting cash in their pocket.
The Vegas Metro chopper has FLIR. It would be a simple thing to merely make
notes during normal operational hours, and then do surveillance. As an
aside, when they notice a green skungy pool, it is their assigned duty to
note the property address and notify the Health Department, as at least two
cases of West Nile Virus has been diagnosed this year.
Big Brother is alive and well and watching everyone.
I use an electronic stud finder and plumb bob. Locate 5 or 6 stud
areas and position a plumb line over the center of the marks. From
the marks you may need to throw out a mark or two. Your plumb line
should be over the center of the stud.
Wait I have a better idea. First, take down all the drywall. Then
apply uranium radition to the studs. Then put up new drywall. Then
get a geiger counter and voila - you'll hear a bunch of loud static
when you get near a stud. Brilliant!
I have some of those super magnets that are about half the size of a penny.
I got a bunch of them on ebay, and they are handy for lots of things. You
merely take one and slide it on the wall until it hits a nail head, and then
it stays there. You do a couple more, and you got the stud. Best way I
have ever found for finding studs.
I have two stud finders, and they are pretty good. Still, sometimes, they
give weird readings, and you're not absolutely sure where the stud is. With
the magnets, I have better luck than that.
As others have said the electronic units work if you go slow.
Many times I use a tape measure measuring from an outlet. There is
almost always a stud on one side for the other of an outlet or switch.
Take the cover plate off and look for the stud. If you can't see it then
use a nail or screwdriver to probe in and find which side the stud is on
and then measure from there.
As an electrician I need to do this on a regular basis. I start at an
electrical outlet or switch. The ones that were installed when the house
was built are attached to the side of a stud. I remove the wall plate and
probe each side of the outlet box to see where the stud is. I also use a
short piece of fish tape to push into the wall. I then measure 16" for each
additional stud from where I started. This works most of the time, but of
course every house is different. I don't own an electronic stud finder. I
also look for nail heads popping through or for sloppy spackling over nail
heads. I sometimes use my flashlight against the wall and rotate it slowly
in several places. The odd angle of the light hitting the wall reveals
minor imperfections and can lead to nail heads in a stud.
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