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Radiation Hazards from
Cell Phones/Cell Towers

VIVEKANANDAN
EEE
OUTLINE OF PRESENTATION
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•
•
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Electromagnetic Radiations
MICROWAVE OVENS
WI-FI RADIATIONS
TV & FM RADIATIONS
Vulnerabilities of EMR
Radiation Pattern of a Cell Tower
Antenna
• Restriction to Tower
• Case Studies
Electromagnetic Radiations
Radiation emitted from Cell Phones, Cell
phone towers, Wi-Fi, TV and FM towers,
microwave ovens, etc. are called
Electromagnetic radiations (EMR).
EMR causes significant health hazards
(biological effects) on human, animals,
birds, plants and environment.
FM TOWER
(88-108MHz)
TV TOWER
(180-220MHz)

RF SOURCES
IN INDIA

AM TOWER
(540-1600KHz)
Wi-Fi
(2.4 - 2.5 GHz)
CELL TOWER
(800,900,1800
MHz)
MOBILE
PHONES

PT=10KW

PT=40KW

PT=100KW

PT=10-100KW

PT=20 W

GSM-1800 - 1 W
GSM-900 -2 W

503 TOWER

1044 TOWER

197 TOWER
Wi-Fi HOT
SPOTS

4.3 LAKHS
TOWERS

600+ million
MICROWAVE OVENS
Microwave radiation effects are classified as:
•Thermal
•Non-thermal
The current exposure safety standards are
mainly based on the thermal effects, which
are inadequate.
Non-thermal effects are several times more
harmful than thermal effects.
WI-FI RADIATIONS
•

Wireless Internet routers or Wi-Fi modems use dangerous electromagnetic
radiation to send their signals to your computer through walls.

•

If you have a wireless Internet router set up in your home or office (or
WiMax, Blue Tooth, Air-Port Extreme, Air-Port Express, Netgear, D-Link,
Belkin, Linksys and other wireless network devices) you are receiving
massive EMF exposure, and living or working in a dangerous soup of
radiation.
Duration is a Factor in Wi-Fi Health Dangers:
Most wi fi heath damage comes from cable modems and DSL routers
don’t get turned off at night: they stay on. connecting your machines to the
internet whether you’re surfing or not…and flooding your space with EMFs 24/7.
RADIATIONS FROM TV & FM
• CRTs put an picture on the screen by shooting
electrons at the CRT face and apparently this
caused a tiny amount of radiation.
• However, most people do not even have a CRT
based TV anymore and LCDs work totally
differently and there is no radiation of any type.
Even if you have a CRT, just turn it off. Problem
solved.
Restrction to Tower
•

For the past few months ago, apart from the scams,
what’s also making news is the issue of mobile phone
tower radiation. Recently new radiation norms were
adopted by India and the Department of Tele
communication (DoT) had set September 1 as the
deadline for the telecom operators to adhere to them.

•

As per the new norms, the operators were mandated
to reduce the radiation levels by 1/10th of the current
levels, thus making it 0.9 watt/m2. Furthermore, it was
announced that operators who are found flouting these
rules would be heavily penalised.
Vulnerabilities of EMR
• All of us know that we are not allowed to operate
Mobile Phones in an aircraft because of the reason
of interference of the Radiating RF with the Onboard
Systems of the aircraft.
• It is very unfortunate that same analogy is not
applied to the living beings although everybody is
vulnerable to this continuous RF Radiations. All of us
vulnerable to the ill effects of RF EMR but following
are more vulnerable as per the existing scientific
studies.
Risk to Pregnant Women
• A pregnant woman and the fetus both are
vulnerable because of the fact that these RF
Radiations continuously react with the
developing embryo, increasing cells, because of
thermal heat also.
• When the pregnant ladies either use Mobile
Phone or when illuminated with RF Radiations,
the developing child can become affected, the
developmental mall formation may occur.
Radiation Pattern of Antenna
Radiation Pattern of a Cell Tower
Antenna

People living within 50 to 300 meter radius are in
the high radiation zone (dark blue) and are more
prone to ill-effects of electromagnetic radiation
EXPERIMENT: Radiation level measurements near
several Cell Tower sites

50m
Measured Power
-20 to -30 dBm
(in dBm)
For each frequency bands

100m
-30 to -50 dBm
 Now days in most of the places the towers are
constructed over upon the building
 Peoples accepting to construct the towers on
there roofs because of rent given by companies.
 But they were no aware of dangerous of
radiations and the health problems occurred by
that.
 Bedroom or rooms placed at equal height of
tower will face more radiations.

 More than adults children's are affected by
highly.
• Radiation consists of several types of
subatomic particles, principally those
called gamma rays, neutrons, electrons,
and alpha particles, that shoot through
space at very high speeds, something like
100,000 miles per second.
• They can easily penetrate deep inside the
human body, damaging some of the
biological cells of which the body is
composed. This damage can cause a fatal
cancer to develop, or if it occurs in
reproductive cells, it can cause genetic
defects in later generations of offspring.
 The negative impact of mobile towers
on birds, bees, humans, wildlife and
plants. The experts even cited an
international study that pinpointed cell
phone towers as a potential cause in the
decline of animal populations.
 They went on to say that there was an
urgent need to focus more scientific
attention on the subject before it was too
late.
 India has 7,36,654 Mobile Towers
Most common problems
Cognitive functions -Concentration, memory, behavior, etc
Epidemiological studies - Sleep disruption, Headache ,
Depression, discomfort, irritability, nausea, dizziness, appetite loss,
muscle spasms, numbness, tingling, altered reflexes

Subjects reported buzzing in the head, palpitations of the heart,
light-headedness, heat, visual disorders, cardiovascular problems,
respiratory problems, nervousness, agitation. More severe reactions
include seizures, paralysis, psychosis and stroke.
Do mobile phones harm brain
tissues and cause cancer?
There is an argument that mobile phone
causes change in the structure of
chemicals of cells. Also, they are accused
of causing cancer. The radiation from the
mobile phones has been villain zed by
those who warn that the excess usage of
mobile phones can damage brain cells.
Radiation Hazards
Radiation Hazards

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Radiation Hazards

  • 1. Radiation Hazards from Cell Phones/Cell Towers VIVEKANANDAN EEE
  • 2. OUTLINE OF PRESENTATION • • • • • • Electromagnetic Radiations MICROWAVE OVENS WI-FI RADIATIONS TV & FM RADIATIONS Vulnerabilities of EMR Radiation Pattern of a Cell Tower Antenna • Restriction to Tower • Case Studies
  • 3. Electromagnetic Radiations Radiation emitted from Cell Phones, Cell phone towers, Wi-Fi, TV and FM towers, microwave ovens, etc. are called Electromagnetic radiations (EMR). EMR causes significant health hazards (biological effects) on human, animals, birds, plants and environment.
  • 4. FM TOWER (88-108MHz) TV TOWER (180-220MHz) RF SOURCES IN INDIA AM TOWER (540-1600KHz) Wi-Fi (2.4 - 2.5 GHz) CELL TOWER (800,900,1800 MHz) MOBILE PHONES PT=10KW PT=40KW PT=100KW PT=10-100KW PT=20 W GSM-1800 - 1 W GSM-900 -2 W 503 TOWER 1044 TOWER 197 TOWER Wi-Fi HOT SPOTS 4.3 LAKHS TOWERS 600+ million
  • 5. MICROWAVE OVENS Microwave radiation effects are classified as: •Thermal •Non-thermal The current exposure safety standards are mainly based on the thermal effects, which are inadequate. Non-thermal effects are several times more harmful than thermal effects.
  • 6. WI-FI RADIATIONS • Wireless Internet routers or Wi-Fi modems use dangerous electromagnetic radiation to send their signals to your computer through walls. • If you have a wireless Internet router set up in your home or office (or WiMax, Blue Tooth, Air-Port Extreme, Air-Port Express, Netgear, D-Link, Belkin, Linksys and other wireless network devices) you are receiving massive EMF exposure, and living or working in a dangerous soup of radiation. Duration is a Factor in Wi-Fi Health Dangers: Most wi fi heath damage comes from cable modems and DSL routers don’t get turned off at night: they stay on. connecting your machines to the internet whether you’re surfing or not…and flooding your space with EMFs 24/7.
  • 7. RADIATIONS FROM TV & FM • CRTs put an picture on the screen by shooting electrons at the CRT face and apparently this caused a tiny amount of radiation. • However, most people do not even have a CRT based TV anymore and LCDs work totally differently and there is no radiation of any type. Even if you have a CRT, just turn it off. Problem solved.
  • 8. Restrction to Tower • For the past few months ago, apart from the scams, what’s also making news is the issue of mobile phone tower radiation. Recently new radiation norms were adopted by India and the Department of Tele communication (DoT) had set September 1 as the deadline for the telecom operators to adhere to them. • As per the new norms, the operators were mandated to reduce the radiation levels by 1/10th of the current levels, thus making it 0.9 watt/m2. Furthermore, it was announced that operators who are found flouting these rules would be heavily penalised.
  • 9. Vulnerabilities of EMR • All of us know that we are not allowed to operate Mobile Phones in an aircraft because of the reason of interference of the Radiating RF with the Onboard Systems of the aircraft. • It is very unfortunate that same analogy is not applied to the living beings although everybody is vulnerable to this continuous RF Radiations. All of us vulnerable to the ill effects of RF EMR but following are more vulnerable as per the existing scientific studies.
  • 10. Risk to Pregnant Women • A pregnant woman and the fetus both are vulnerable because of the fact that these RF Radiations continuously react with the developing embryo, increasing cells, because of thermal heat also. • When the pregnant ladies either use Mobile Phone or when illuminated with RF Radiations, the developing child can become affected, the developmental mall formation may occur.
  • 12. Radiation Pattern of a Cell Tower Antenna People living within 50 to 300 meter radius are in the high radiation zone (dark blue) and are more prone to ill-effects of electromagnetic radiation
  • 13. EXPERIMENT: Radiation level measurements near several Cell Tower sites 50m Measured Power -20 to -30 dBm (in dBm) For each frequency bands 100m -30 to -50 dBm
  • 14.  Now days in most of the places the towers are constructed over upon the building  Peoples accepting to construct the towers on there roofs because of rent given by companies.  But they were no aware of dangerous of radiations and the health problems occurred by that.  Bedroom or rooms placed at equal height of tower will face more radiations.  More than adults children's are affected by highly.
  • 15. • Radiation consists of several types of subatomic particles, principally those called gamma rays, neutrons, electrons, and alpha particles, that shoot through space at very high speeds, something like 100,000 miles per second. • They can easily penetrate deep inside the human body, damaging some of the biological cells of which the body is composed. This damage can cause a fatal cancer to develop, or if it occurs in reproductive cells, it can cause genetic defects in later generations of offspring.
  • 16.  The negative impact of mobile towers on birds, bees, humans, wildlife and plants. The experts even cited an international study that pinpointed cell phone towers as a potential cause in the decline of animal populations.  They went on to say that there was an urgent need to focus more scientific attention on the subject before it was too late.  India has 7,36,654 Mobile Towers
  • 17. Most common problems Cognitive functions -Concentration, memory, behavior, etc Epidemiological studies - Sleep disruption, Headache , Depression, discomfort, irritability, nausea, dizziness, appetite loss, muscle spasms, numbness, tingling, altered reflexes Subjects reported buzzing in the head, palpitations of the heart, light-headedness, heat, visual disorders, cardiovascular problems, respiratory problems, nervousness, agitation. More severe reactions include seizures, paralysis, psychosis and stroke.
  • 18. Do mobile phones harm brain tissues and cause cancer? There is an argument that mobile phone causes change in the structure of chemicals of cells. Also, they are accused of causing cancer. The radiation from the mobile phones has been villain zed by those who warn that the excess usage of mobile phones can damage brain cells.