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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

What is 49 mhz in a radio controlled car?

49 MHz (mhz) is the main radio frequency of the signal that controls a radio-controlled (RC) car.

I hope that answers your question. :)

Why can chicken wire be used as the surface of the radio telescope?

It reflects some of radio waves. Also the gaps don't matter too much. That's because of the nature of the radio waves, particularly the wavelengths.

In fact there is a large range of wavelengths.

For the shorter wavelengths a "dish" type receiver is needed, with no gaps.

Do solar garden lights cause radio interference?

In general, solar powered garden lights won't interfere with radio signals. Solar powered garden lights incorporate a solar cell (or cells) to drive the lights in the fixtures. This is all an issue of direct current and its application. DC (direct current) doesn't generally interfere with radio signals (unless it is switched on and off rapidly, which is not going to be the case with the solar garden lights).

What are the disadvantages in using radio waves for communication over interstellar distances?

It hasn't been done and there is a problem because the background noise would prevent the use of radio communication over more than about 1 light year's distance. Radio waves travel at the speed of light, so it would take 2 years to get a message there and back from 1 light-year away.

Why on a 2003 Chevrolet Malibu would the radio heater and gauges work intermittently?

It sounds as if you have a defective ignition switch. The next time it happens you need to turn the key slightly. If it starts working then the ignition switch is bad.

How much is a starter?

The price varies depending on the vehicle. Call your local parts store and get a price quote.

How do you remove a factory radio from a 1996 Honda odyssey?

Answer:

I'm looking in the Chilton repair manual (previous generation Odyssey) and it says to:

* remove steering column covers

* CAREFULLY pry off center panel (trim around the stereo)

* remove two bolts holding radio bracket

* pull out bracket (disconnect electrical connectors as you go)

* remove 4 bolts holding CD player to bracket

* ta-da

Short of that go to your local auto parts store and get a Chiltons repair manual which will walk you through the process step by step with pictures.

What do the error messages mean on your 1998 firebird radio e20?

I can say for sure that E20 means "Unreadable Disc", but the reason might have to do with overheated discs. I found that using a commercial CD (an actual, band released CD) gave me no problems, but when I used my own "burned" CD's, some of them would overheat in about an hour in the stock CD player and actually WARP. This is when I would get the E20 error message, and the disc would be very difficult to remove until it cooled off.

AnswerIf you received the error message E20 after putting in a burnt CD or a scratched CD then I'm pretty sure that is the error message for "unreadable data" for that certain model of Firebird. Since it's been awhile since I've seen that message in my Firebird(long since installed an after market CD player) I cannot be certain that is the correct answer. AnswerE20 : Focus Error Cause(s): The CD player cannot focus on the disc or there is an internal focus problem. Correction(s): Try cleaning the disc or using a new disc. Make sure the disc is loaded correctly. The road could be too rough or there is too much humidity."

Does a frequency counter help a cb radio that much?

For CB's that are both modern and "legal" a frequency counter does not help much at all. However if you have an older radio with continuous tuning (dial with a needle) or are tuning "out of band" (using an illegal modified CB) you may find a frequency counter very useful. No,All the frequency counter does is match the frequency to the radio, to tell you how accurate the radio is, if it is a quality radio it is a waste of time for a more efficent CB radio you would want a RF meter to match the antenna to the radio, this would give you max signal when you key the mike, most of the radios that I have ever used have a signal strength right on the radio. All radios are designed to reject all frequencies except the one it's tuned to. Transmitter accuracy and receiver accuracy are both important for clear reception. CB radio uses 26-27 Mhz with a channel spacing of only 10Khz. If your transmitter's frequency is 5Khz too high and the person you're trying to talk to has a receiver that is a few Khz too low, you may not be able to talk to them at all or the sound will be distorted. All radios can be aligned. Better quality radios will not necessarily hold that alignment better. Antenna matching will affect how strong the signal is but not the frequency accuracy of that signal.

A frequency counter will tell you what frequency you are on. It does not help the average CB radio. But it does do a lot for modified cb's with extra channels. A Frequency counter also comes in handy if you are talking on side band, it helps you remember where to set the dial, and makes tuning someones signal in much easier. A Frequency counter will help if you need it. If you dont need it it is a waste of money.

~TeZ~

How do you take out the stock radio in a 2001 Volkswagen beetle?

To the left and right of your factory radio are narrow vertical slots. Volkswagen, as well as a local car audio shop, can provide you with keys that slide into these slots to hook onto the stereo and pull it out. If you are the DIY type and want to fashion your own, the hooking point is in the lower portion of these slots. Design your stereo removal key with the "hook" facing down to properly catch the unit with damaging it. Once the keys have "caught" the stereo, simply pull it towards you in a slow, controlled yet firm manner. NOTE: The top and bottom of your stereo unit have indentations that are filled by flexible semi-spheres with a tong-like action to secure the radio in place. The more you adjust these, the more flexible they will become. The end result is that you may need a new harness for your unit in order for it to stay in place.

How do you remove a radio in a 1989 mark vii LSC?

there is a tool if you don't have it you can make one. there are 2 small holes on each end of radio. take a metal clothes hanger an make 2 u shaped pieces that align with these holes they insert almost a inch on each side grab the u tools stick them in holes to push release clips. with tools in wiggle the tools side to side while pulling out at the same time once radio come out a bit you can grab it with your hands

What is the radio code for a 2004 Honda CR-V?

First: Check the owner's manual. If you're lucky, sometimes the dealer or former owner will have written down the code number somewhere in the manual (inside the front cover or on the page that describes the radio operation are favorite places). Also check the interior of the glove compartment - sometimes the dealer will affix a sticker containing the serial number here, too. IF NOT: You will need to retrieve the radio serial number. On SOME radios you can do this by holding down both the number 1 and the number 6 buttons simultaneously as you turn on the radio. If you have one of those radios, the serial number will appear in the tuning window when you turn it on. IF NOT: You will need to loosen the radio and slide it far enough out of the dashboard in order to get the serial number off the plate that is affixed either on the back, or the bottom, of the radio case. When you have gotten the serial number - either call the Honda Customer Service 800 number, or stop by your local Honda dealer and give them the serial number and they should be able to give you the anti-theft security code for your radio. WRITE IT DOWN SOMEWHERE WHERE YOU WON"T FORGET IT! This will happen every time the battery is disconnected or goes dead.

What does err1 code stand for on a Toyota Camry solara?

A tip. When asking questions about the Solara it's best to mention the year and sometimes the model. There are huge differences between the generation I and generation II models.

To try and answer your question, there is no err1 code (unless the code reader you're using drops the zeros.) The closest is code P0100 which indicates a Mass or Volume Air Flow Circuit Malfunction.

Cheers

Who was Frank Remley?

Frank Remley was an actor, known for acts like my blue heaven (1950), Saturday's hero (1951), and Jack Benny program (1950).

When did Franklin Delano Roosevelt first read Sunday comics on radio?

You"ve got the wrong politician! Mayor Fiorello LaGuardia was known to have read newspaper proofs of comic strips over radio station WNYC as a (public Service) during a Newspaper strike. the popular idea of the(The mayor read the comics too) was decades later revived as part of a Reingold Beer Commercial. As far as is known FDR was not ever involved in any way ,shape of form with comic strips By the way a vignette of Mayor laGuardia reading the comics over the radio was featured on the cachet of the First day cover of the LaGuardia stamp. (covers only not the stamp itself sometimes runner-up stamp designs make the cover scene.)

Have 2005 Newmar Kountry Star roof mounted radio antenna snapped off Where to find replacement and what will changing it entail?

I have a 2004 Dutchstar & have replaced my ant. twice. Antenna should unscrew from base.Napa auto parts hase replacement ant. Hope this helps

What is an radio frequency interference filter?

I assume you mean for something like a car.

It can be as simple as a capacitor to as complex as total shielding for the engine.

The need is because spark plugs put out a random collection of radio frequencies,

in fact the first "radios" were just that: a kind of spark plug that ran short or long for dots and dashes. Everybody heard everybody else.

The first president to speak on the radio?

Despite his reputation as a quiet and even reclusive politician, Calvin Coolidge made use of the new medium of radio and made radio history several times while President. On Dec. 6, 1923, the first presidential address was broadcast on the radio. President Calvin Coolidge delivered what is now known as the State of the Union address to a joint session of Congress.