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Radio

A radio refers to an electronic device that works by receiving radio wave (an electromagnetic wave) that has the capacity to broadcast news, speech, music and other audio through the air.

8,296 Questions

Who are the radio announcers for Stanford football?

David Fleming does the play by play, he also does play by play behind Jon Miller for the SF Giants.

A device used to detect radio waves from space?

they use radio waves to pick up some what satellite images or existance of things in space

How does the frequency of radio waves compare with the frequency of visible light?

The radio wave part of the spectrum is very wide. The extreme ends are, roughly,

  • 15km ( used for communicating with submerged submarines)
  • 1 mm ( used for research, and possibly for radar)

The visible spectrum covers only a 2:1 range of wavelengths. It is centred on the colour yellow, with a wavelength ~= 700nm.

The very shortest of the radio waves is about 1000 times as long as yellow light.

What will cause a humming noise in radio?

It can be interferance caused by Fluorescent lights, Transformers, (such as battery chargers) switchless lights, you name it. Anything that plugs into electric current in your home can in one form or another.

In your quest to find the problem, you will often overlook what the actual problem is.

Where are infrared waves found?

Everywhere. Literally. The universe is filled with infrared radiation and will be until the universe's temperature drops to absolute zero.

As for where it is found in abundance : any place that feels warm to you.

What is radio microwave system?

A microwave radio system is any system of radio transmitters and receivers that

operate at frequencies above 3 GHz (3 billion waves per second).

At those frequencies, it's possible to fabricate antennas that focus the power of the

transmitter in a very narrow beam. So these frequencies aren't generally used for

'broadcast' over a wide area. They're almost always used to communicate between

two single points. A dense stream of information can be carried many miles on a

microwave radio signal of only a few watts. (Compare with 1,500 watts or more

used to warm leftover meatloaf in the microwave oven.)

Satellite TV signals going to small home 'dishes' are in the microwave spectrum.

What is a radio fuse?

An electrical device used to protect electronic devices against power fluctuations against power surges by tripping or blowing before those devices can be damaged. They are a very low cost insurance policy built in to equipment to protect it against costly damage.

How do magnets work in radios?

YES! Rare Earth, and electromagnets. Any coil is a magnet once electricity is added. Speakers use them, the receiver uses them and the amplifier uses magnets as well as the power supply and any noise chokes.

How do you remove the stock radio from a 2000 Honda Civic?

Here you go, I just did this yesterday. Make sure you have your radio code before you remove power. I didn't realize that a code was needed to access the radio after it loses power. If you happen to have the code, I could really use that info. http://documents.victorytechnologies.com/documents/product/99-7871.pdf

Who sings Christmas Carol - song about orphan girl adopted on Christmas?

I have never heard this off-angle anti-commercial Christmas song, but my guess it sounds like Dolly Parton. Sounds like an interesting design concept quite different from (Silver Bells) or (here comes Santa Claus) but swtill on the gifty angle.

1997 neon won't start we tested the battery relays fuses and changed the ign switch When the key is in it dings the lights and horn work but when you turn the key no rollover starter clicking or radio?

I have had this happen before, Make sure the battery terminals are clean and tight. Hope this helps. Can be a bad starter or corroded connections. If the battery is over 3 years old or has been discharged more than once, replace it.

How do you install an aftermarket radio in a 1998 Mazda Protege?

Order a stereo from Crutchfield. That is what I did. You tell them you have a Mazda Protege 1998 and they send all the harnesses and DIN tools you need. All you need is a flathead screwdriver, soldering iron and some solder, electrical tape, wire strippers.

I had a little trouble figuring out where to ground my Kenwood stereo, but I figured out you can hook it up to the Protege's black and yellow wire that used to plug into the back of the factory stereo.

What is the principle of AM Radio?

alot of people like to talk about up to date but not so popoular issues on AM radio.

Are Tom Griswold and Laura Steele married?

Yes, they are together outside of work all the time!

Where is Austin located?

umm austin can be located any where u just have to ask one of your friends wher is austins location at ahahah cause austin is a person get it

How a radio can capture the radio signal?

Tthe radio waves move in weird directions to create sound.

Remove a radio from a 1996 Lincoln mark VIII?

Answer

YOU'LL NEED TO BUY A RADIO REMOVAL TOO. THAT'S JUST A SKINNY U-SHAPED ROD YOU INSERT INTO THE TWO HOLES ON EACH SIDE OF THE RADIO. IT COST BETWEEN 3 AND 5 DOLLARS AT ANY PARTS STORE. YOU SHOULD BE ABLE TO PULL THE RADIO RIGHT OUT. IF IT DOESN'T COME LOOSE RIGHT AWAY YOU'LL HAVE TO USE SOME MORE FORCE. THERE'S THIS PLASTIC PART ON THE BACK THE HOLDS THE RADIO IN PLACE AND IT SLIDES ALONG ON A TRACK OVER THE RADIO. SO THAT MIGHT SIT A LITTLE TIGHT. I HAD TO PULL MINE OUT QUIET HARD AND WIGGLE IT A LITTLE TOO. AND WHEN YOU PUT IN A NEW RADIO YOU'LL HAVE TO ATTACH THE PLASTIC PIECE TO THE NEW RADIO WHICH IS NO BIG DEAL. GOOD LUCK THOMAS

make your own tool out of a coat hanger bend 2 in u shape so they fit in eack side of radio holes push in till you feel a bit of resistance and pull with both u shape tools wiggle back and forth the clips will release letting radio come out 1 inch then pull with hands until you can disconnect wiring harness and antennea

Which came first the elevator the telephone?

The concept of the elevator has been in existence for thousands of years. The major patents were issued in 1850's, before the telephone or the radio.

What was the first us radio station named?

Actually we may never know. There where some attempts to broadcast entertainment as early as 1910. Previously to that Marconi had installed radios on several ships, but they where of the Morse type, meant to have only one receiver.

The general public had to construct their own radios, since búying them was very expensive (could cost up to 3 weeks of wages). Fortuneatly building a simple crystal-radio could be done for schollboys wages. 2 or three components where nedded plus the obligatory 800 ohms (or so) headphones. The most important components was a catwhisker of coiled wire and a piece of Galena crystal that could be easily found in a slag-heap of any lead mine. No batteries where required since the power came from the signal itself, therefore the 800 or so ohms headphones.

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When did radio Luxembourg 208 medium wave stop broadcasting?

About a decade ago.

They used 1440 KW on 1440 kHz (208 metres).

What are the disadvantages of online radio?

Key examples of online radio classifications are: terrestrial radio podcasts (e.g. under BBC.co.UK), unscheduled/collaborative stations (e.g. under Last.FM) and scheduled personal stations (e.g. Live365.com).

Compared with terrestrial radio broadcasts, at like-for-like audio quality, the common disadvantage with all these formats is that they require a more sophisticated infrastructure and more expencive receiving equipment (e.g. internet bandwidth exceeding 500kbps and computer equpment costing over $600). Thus, these formats a only generaly available to affluent residents of urban areas and/or ''developed countries''.

What are electromagnetic spectrum waves?

They go by many names in everyday life.

Here are a few of them:

-- AM

-- FM

-- TV

-- GPS

-- cellphone signal

-- wireless

-- microwave

-- heat

-- red light

-- green light

-- blue light

-- tanning rays

-- X-rays