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-- It's easy and cheap to generate radio signals and put information on them.
-- It's easy and cheap to detect radio signals at a great distance and recover
the information from them.
-- It's easy and cheap to pick out the radio signal you want from thousands
of other signals.
-- Radio can deliver information over great distances significantly faster than
carrier pigeons, surface mail, runners, smoke signals, jungle drums, or optical
fiber can.
What else can I help you with?
Do satellites normally use microwaves or radio waves?
Microwaves are radio waves.Most satellites communicate in microwave radio frequency bands.
Does radio still exist or not?
Yes radio still exists, and will continue to for the forseeable future.
How do ships today communicate with each other?
They communicate by two-way VHF radio.
How does two-way radio work?
If the Motorola were actually a CB radio, it would be able to - the brand name doesn't matter, they all transmit on the same frequencies. However, Motorola does not manufacture any radios which transmit on the 11 metre Citizens Band.
What works by using radio waves to communicate with radio antennas placed within adjacent geographic areas?
Bluetooth system
How do ships communicate?
Ships communicate using radios. To be able to use a radio the captain has to have a special cob radio license.
How do lunar vehicles communicate?
They use radio communication equipment.
Do satellites normally use microwaves or radio waves?
Microwaves are radio waves.Most satellites communicate in microwave radio frequency bands.
How do astronauts communicate in space?
Astronauts mainly communicate in space using radio waves. They use radios to talk to mission control on Earth and to communicate with each other inside the spacecraft. They can also use video conferencing and email for communication purposes.
What did people use to communicate in the 1930s?
they used TV and they also used the radio they had no cell phones
What can you use to communicate with your family when your on Antarctica?
Depending on the type of support supplied to you there, you may be able to use e-mail or INMARSAT or ham radio to communicate, generally, all over the world.
Does radio still exist or not?
Yes radio still exists, and will continue to for the forseeable future.
How do scientists communicate using magnets?
Telephone, television, radio, and Internet all use magnets to aid the communication.
What can you do with two way radios?
You can use them to communicate with other people when you need to. Example: A cellphone is a two-way radio.
What are the things use to communicate before until now?
cellphones newspaper computer television books radio satellites
What is the need of ham radio?
Amateur radio, often called ham radio, is both a hobby and a service in which participants, called "hams," use various types of radio communications equipment to communicate with other radio amateurs for public service, recreation and self-training.
What do the telegraph and telephone have in common?
Both use electricity and radio waves to communicate.
