Zusammenfassung der Ressource
microwaves
- communication to and from satelites
uses microwaves however these
microwaves need to be ones which easily
pass through the watery atmosphere
- Radio waves CAN'T get through
the watery atmosphere
- Satelite TV
- signal sent from transmitter
and transmitted into space
- satellite picks it up and transmits it
back to earth in different direction
- Recieved by satellite dish
- Mobile phone calls
- These travel as microwaves between
the phone and the nearest transmitter
- NEGATIVE: some wavelengths of microwaves
are absorbed by water and cause it to heat up
so if this is water in your body it could
damage health some say frequent mobile
phone use or living next to a mast could
damage heath but there's no evidence either
way yet.
- Remote sensing satellites
- These satellites 'see' through
clouds and can be used to track oil
spills, iceberg movement etc