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  #31    
Old 07-05-2009, 08:44 AM
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No, Tree, what I said was their accuracy is within a 1/2 degree. Meaning the new sensors can tell the difference between 98.0 and 98.5 F (example). That's pretty darn accurate. A large outdoor grow is going to create a uniques signature. Large grows should be easy pickings for this technology.
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  #32    
Old 07-05-2009, 10:52 AM
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Plants don't give off heat. thermal imaging isn't the same as infrared imaging.

You guys are most likely thinking of spectral radiance, which is the how the light reflects off of something. This can be measured with a technique known as "remote sensing".

Here's a link to an article from 2003 on how remote sensing *could possibly* be helpful in identifying outdoor cannabis grows (at the time, they couldn't seem to distinguish between cannabis and other herbaceous plants, I don't know if they've had any success since then because I can't seem to find any documents published later than 2003).

http://www.ars.usda.gov/research/pub..._no_115=150114
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  #33    
Old 07-05-2009, 02:59 PM
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actually your buddy in the military is semi correct not so much the military does flyovers but dea does some special volunteer groups help out but they flyover national parks and forests. us supreme court has ruled the thermal imaging of a residence is an invasion of privacy therefore is not allowed to be done and is inadmissable in court norml.com
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  #34    
Old 07-05-2009, 03:07 PM
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Originally Posted by TeaTreeOil View Post
He's full of shit.

All military personnel are full of shit. You have to be a fucking dog to join up.
we're all a lil bitter, especially first wave oif guys, just because you came out with a bad attitude doesn't mean you need to shit all over the rest of us, i dont care if you got a dishon or oth, if your a vet, you shouldn't be shitting on all of us.
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Old 07-05-2009, 03:43 PM
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we're all a lil bitter, especially first wave oif guys, just because you came out with a bad attitude doesn't mean you need to shit all over the rest of us, i dont care if you got a dishon or oth, if your a vet, you shouldn't be shitting on all of us.
amen the vets of america today are the reason why we can fight these unjust laws that prohibit the use of our medication if it wasnt for men like my friends and I remember if your reading my message thank a teacher if its in english thank us soldiers!!!!!!!!!!! hoooahh
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  #36    
Old 07-05-2009, 05:16 PM
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Originally Posted by ryanp1 View Post
actually your buddy in the military is semi correct not so much the military does flyovers but dea does some special volunteer groups help out but they flyover national parks and forests. us supreme court has ruled the thermal imaging of a residence is an invasion of privacy therefore is not allowed to be done and is inadmissable in court norml.com
But the facts are they are done. it is simply a matter of finding the grow op and then finding ANOTHER excuse to check it out. The heat sig won't ever be mentioned to the justice dept.
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  #37    
Old 07-06-2009, 05:03 AM
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Originally Posted by CrackerJax View Post
No, Tree, what I said was their accuracy is within a 1/2 degree. Meaning the new sensors can tell the difference between 98.0 and 98.5 F (example). That's pretty darn accurate. A large outdoor grow is going to create a uniques signature. Large grows should be easy pickings for this technology.
Links or it didn't happen.

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I think defending your nation is great, but 'wars' where massive civilian causalities are incurred(eg. "shock and awe" air raids on civilians). I don't agree with that.
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  #38    
Old 07-06-2009, 05:26 AM
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Oh, FFS Tree, I had that link a few days ago..... grr..... I'll dig it up in a bit.
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  #39    
Old 07-06-2009, 05:39 AM
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You end up getting busted because the thermal imaging can pick up the hot air venting from your grow room from something like a window or some other place there shouldn't be a heat bloom. If you need to vent a grow room then run the exhaust through your dryer vent or under your crawl space if you have no basement. There are many ways, you just want to make sure that the hot air can dissipate before it goes outside if not running it through your dryer vent
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  #40    
Old 07-06-2009, 08:26 AM
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Plants don't give off heat. thermal imaging isn't the same as infrared imaging.

You guys are most likely thinking of spectral radiance, which is the how the light reflects off of something. This can be measured with a technique known as "remote sensing".

Here's a link to an article from 2003 on how remote sensing *could possibly* be helpful in identifying outdoor cannabis grows (at the time, they couldn't seem to distinguish between cannabis and other herbaceous plants, I don't know if they've had any success since then because I can't seem to find any documents published later than 2003).

http://www.ars.usda.gov/research/pub..._no_115=150114
 

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