how is AM and FM radio different?
442249
Generally, AM carrier waves have much longer wavelengths than FM carrier waves. AM waves can bend around obstacles like mountains and buildings better than FM waves and can travel greater distances before the signal fades. AM waves are used in aerial navigation although more modern methods (GPS and Very High Frequencies) are replacing them.
2000
I think the last person that answered misunderstood the question.  I believe you mean the XM and Sirius satellite radio.  The channels are the same no matter where you go, the same name and the same channel number.  It is different from FM/AM radio as there could be other stations use the same frequency but in another region.  Satellite radio is meant to broadcast all over the U.S. as FM/AM is not meant to.  \n\nIt is the same with television stations.  If you receive it on a cable system or over the air that channel is unique to that area but if you get Dish Network or DirecTv that station and number is the same no matter where you go in the U.S. and receive that signal.
627347
Amplitude modulated radio radiation is the result of a disturbance in space. The signal travel in all directions and can be received at a wide range of location. However Am transmission is very suceptible to noise. Hence a lack of fidelity.\n\nFrequence modulation is really Power modulation rather than amplitude.Since the signal can vary as a fucntion of frequency there is better clarity in the reception. But the .Television signal Use the same principle as FM.Hower since the wave lenght of the signal carrier is much shorter. Hence they are more directional.The transmison cannot be as wide spread as the long wave in Am.
533131
depends what sort of music it is. ive heard lots of unsigned bands on radio 1(u.k) and xfm. send a demo cd off to stations of this ilk and as many of the djs on these staations as you can.
800644
You mean like a radio station? You can't really, Radio Station's  run their signals  on different frequencies then a wireless router.\n\nYou don't have the hardware to broadcast that high of a frequency not to mention modulate it. Like FM or AM..\n\nYou can do Internet raido..
751042
Hi amit.THis is my knowledge about how to start fm radio.Have and fun.\n\nWhether you are looking for information on how to start up a FM radio station that operates on a low power FM basis, operates on a full power frequency or alternatively streams on the internet, it is essential to first establish what the options available to you are. It is also important to understand the process for obtaining a frequency, what the licensing requirements are, and also what type of FM broadcasting equipment and studio gear you will need to run the radio station.\n\nThe following is a brief outline of some of the options that may be available. Please that not all options may be available in all countries, as license conditions do vary.\n\nWhen it comes to how to start up a FM radio station, one of the options is low power FM. This type of radio station operates at lesser power than commercial stations and so they cover a smaller area. The exact area they will cover is dependent on terrain and the exact amount of power you are permitted. Again depending on the country you live in, the low power FM service may enable you to broadcast anywhere near from 500mW to 100W, and may be license-free or alternatively it may be licensed. This level of power is sufficient to cover anywhere between a radius of a few kilometres to several kilometres.\n\nAnother option is operating a full power licensed radio station. This type of frequency will give station maximum coverage and will enable you to reach as many listeners as possible. Depending on the country you live in, there can frequently be provisions to operate on a full power frequency, but either on a commercial, non-commercial or educational basis. However, operating a full power FM radio station can be a somewhat complicated process - especially during the initial stages of determining whether there are frequencies available in your area and also costing the equipment that is needed. If you want to start up a full power FM radio station, then it is essential to get expert guidance at the earliest stage. This will ensure you get the information you need to make an informed decision.\n\nIf these options don't appeal or are not available in your area, you have one other method for how to start up a FM radio station. You are able to establish a station that streams on the internet. It will be available to a worldwide audience and can stream in your choice of format. Common formats include Winamp and Windows Media Player, although generally we recommend the latter as most people won't need to download any additional software to listen to your station. This type of radio station can use a great deal of bandwidth, so it is important to have a fast speed internet connection with a high data cap limit.\n\nWhen it comes to choosing the type of station you will set up, one of the most common constraints is budget. That said, it has been proven that a station can start out on a low power FM basis and successfully make the transition to operating a full power licensed commercial FM radio station. Some of the points to consider when looking how to start up a FM radio station include:\n\n- The process for obtaining an FM frequency and what to look out for\n\n– How many Watts you will need to achieve the broadcast coverage you want\n\n– What your obligations will be when it comes to music royalties\n\n- What specialist services you need before to assist you in submitting your application for a frequency\n\n– What is the most appropriate powered transmitter and what type of antenna would be needed\n\n– The type of radio automation software that will be used
1132687
Radio reaches more people continuously through out the day( example. waking up in the morn radio alarm clocks. drives to store, work, in some offices, stores etc.)\nrepetitious commercials tend to get people to go where you want them to go.\n\nBut TV has the visual stimulation with the audio to get people to do more than radio.
275038
They should both be the same.  The only stations that are different are the one's on AOL, cause AOL add's their own formats.
683354
b. 93,300,000 Hz\n\nFM stations measure their frequencies in Megahertz (MHz)
84576
You can listen to radio on the internet if you have any type of internet connection. If you have yahoo messenger and if you log on to it, then you can listen to music on messenger. \nAlternatively you can try this link http://music.yahoo.com\n--x--\nThe Windows Media player has radio features built in.\nYou can alternatively try downloading Winamp.
284748
I think it's just a play on AM or FM. AM (amplitude modulation) and FM (frequency modulation) are known for being "radio terms", so they called it XM, probably because X has a "cool" connotation.
583575
I assume you are talking about AM radio. If you are, there are actually three signals. First is the ground wave, which hugs the earths surface. The second one I don't remember, but the third one is the one you're thinking of. It is called "skip". "Skip" happens when the signal leaves the tower, goes in the air and bounces off the ionesphere quite some distance away.\n\nIf you notice, this happens with AM and not FM. FM is a line of sight signal that hugs the earth's surface until the signal reaches the curve in the earth's surface and jumps out to space. The funny thing though is that FM just keeps going and never comes back.
1140798
go to: radioisla1320.com\nclick to hear live
233686
I found this link. Maybe you can check it out as they talk about starting a powerful FM radio station and a low cost alternative. http://www.prometheusradio.org/alt_startfm.shtml
31426
Ask about the difference between AM and FM.  Ask about vertical or horizontal orientation of antennas.  Ask for a definition of UHF and VHF.
28438
AM/FM Amplitude Modulation / Frequency Modulation
888614
It is based primarily on historical capabilities and modern compatibility.  From Wikipedia:\n\nModulation\nGiven all of these parameters, the result is a mostly-continuous analogue signal which can be modulated onto a radio-frequency carrier and transmitted through an antenna. All analogue television systems use vestigial sideband modulation, a form of amplitude modulation in which the lower sideband is incompletely suppressed. This provides a small guard band between the actual video carrier and the bottom frequency in the channel, which helps to reduce interference between transmitters on adjoining channels at a receiver which receives strong signals from both. At the time television was developed, the vestigial sideband was easier to accomplish than true single-sideband modulation; with today's technology, there is no reason for it except to be compatible with existing technology.\n\n\n[edit] Audio\nIn analogue television, the sound portion of a broadcast is invariably modulated separately from the video. Most commonly, the audio and video are combined at the transmitter before being presented to the antenna, but in some cases separate aural and visual antennas can be used. In almost all cases, standard wideband frequency modulation is used for the standard monaural audio; the exception is systems used by France, which are AM. Stereo, or more generally multi-channel, audio is encoded using a number of schemes which (except in the French systems) are independent of the video system. The principal systems are NICAM, which uses a digital audio encoding; double-FM (known under a variety of names, notably Zweikanalton, A2 Stereo, West German Stereo, German Stereo or IGR Stereo), in which case each audio channel is separately modulated in FM and added to the broadcast signal; and BTSC (also known as MTS), which multiplexes additional audio channels on the existing FM audio carrier. All three systems are compatible with monaural FM audio, but only NICAM may be used with the French AM audio systems.\n\nj