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ecsd

@transbay.net

no risk?

"As we've noted, there's absolutely no scientific evidence that Wi-Fi signals are a health risk."

Long-term cellphone usage next to one's head is demonstrated to cause brain cancers. One of the wifi bands (2.4GHz) is the same band as used by cellphones. Should people be paranoid? No. Should people be UNCONCERNED? Well, of course not.

Don't say there is "no evidence", because there is evidence about damage from EM radiation at medium power or close range. People who don't want to live next to a high-powered "wifi base", with signals powered beyond the 4 Watts EIRP mandated for Part 15, are entirely justified to complain.


djdanska
Rudie32
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join:2001-04-21
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said by ecsd :

One of the wifi bands (2.4GHz) is the same band as used by cellphones.
The vast majority of cell phones use the 800mhz/850mhz/1900mhz bands. I am not aware of any provider in the states that has an active system using the 2.4GHz band. T-Mobile and other various carriers plan on using the 2100mhz band for 3g applications. But, that's about as close as there is.
--
When you do things right, people won't be sure you've done anything at all.
»djdanska.com


myriad007

join:2002-03-02
Scarborough, ON

reply to ecsd
ecsd, your post is just plain Bullshit!

2. CELL PHONES: FIVE YEARS LATER THEY STILL DON'T CAUSE CANCER.
A study in the current issue of the Journal of the National Cancer Institute found no increased cancer risk from cell phone use over a 20 year period. This is an update of a Danish study in JNCI five years ago. The Danes keep good records. By just going to the computer they could compare cell phone use with the National Cancer Registry. I was invited to write an editorial in the same issue, JNCI, Vol 93, p.166 (Feb 7, 2001). I noted that cancer agents act by breaking chemical bonds, creating mutant strands of DNA. Microwave photons, however, aren't energetic enough to break a bond. Predictably, fear mongers said there must be an induction period. Still waiting. In 1993, a man whose wife died of brain cancer was a guest on Larry King Live. Her cancer, he said, was caused by a cell phone. The evidence? "She held it against her head and talked on it all the time."

Bob Park (Nobel Prize winning physicist) U Maryland
»bobpark.physics.umd.edu/index.html



rm

@qwest.net

reply to ecsd
You do realize that those studies are in relation to Kilowatts? Anything below a kilowatt is generally considered low power.

And you do realize the single digit watt regulations are more for interference reduction purposes and not because of health concerns? If I'm not mistaken you can run your own radio station without a license if you don't cause interference to a licensed station and if you stay below around 10 watts. Hey 10 watts is not much more than single digit wattage.

And you do realize that ERP (effective radiated power, i for isotropic is just the antenna type you are comparing against) is relative? An antenna at 300ft is going to have a higher ERP than one at 10ft. That is why the FCC rules always stipulate ERP not actual wattage for interference minimization.


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