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<p>If you are experiencing issues listening to Colorado Public Radio programming, please read our frequently asked questions on this page, and don't hesitate to <strong><a href="/report-an-audio-issue/">contact our engineering staff</a></strong>&nbsp;with any questions that are not answered below.</p>


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This site has a built-in streaming player, which is accessible at the top of your browser window, labelled "Listen Live." To begin listening, click the arrow, then click the desired station.&nbsp;If the built-in streaming player is not functioning for you, CPR offers other formats on the&nbsp;<a href="https://www.cpr.org/streaming">"Streaming" page</a>&nbsp;as well as a&nbsp;<a href="https://www.cpr.org/ways-to-listen">mobile app</a>, or you can&nbsp;<a href="https://www.cpr.org/about/contact">contact CPR</a>.

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Once you are listening to any content, you can use the "VOLUME" slider to control how loud the audio is played, or click the stop button to stop streaming.

To listen offline,&nbsp;<a href="https://www.cpr.org/ways-to-listen">visit our "Ways</a><a href="/ways-to-listen/"> </a><a href="https://www.cpr.org/ways-to-listen">To Listen" page</a>&nbsp;which lists radio frequencies for our stations throughout Colorado.&nbsp;

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Yes! The streaming audio player is a constant throughout your visit, enabling you to tune in live online to any of CPR’s three services at the bottom of the page. You can minimize the player while you’re listening, and continue to play when you click links. 

Yes! CPR offers a&nbsp;mobile app&nbsp;for&nbsp;<a href="https://play.google.com/store/apps/details?id=com.cpr.app">Android</a>&nbsp;and&nbsp;<a href="https://itunes.apple.com/us/app/colorado-public-radio/id1029562341?mt=8">iOS</a>&nbsp;devices. In addition, the built-in player on our site is supported by iPhones and iPads (running at least iOS 5), in addition to Android devices (running at least Gingerbread/2.3). Blackberry &amp; Windows Phone users can either download the&nbsp;<a rel="noreferrer noopener" href="http://tunein.com/" target="_blank">TuneIn app</a>&nbsp;or download a stream for use with other applications on the&nbsp;<a href="https://www.cpr.org/listen/streaming">the Streaming page</a>.

CPR&nbsp;radio stations can also be accessed by&nbsp;using the free NPR News app. Once you’ve downloaded the app, click the “Station” icon at the bottom of the screen. From there you can search by state. To add the station as a favorite for your next use, launch the station stream and click “Add Station to Favorites.” When using the app the next time, the station will show up under the favorites tab when you click the “Station” icon at the bottom of the screen.

Visit our&nbsp;<a href="https://www.cpr.org/ways-to-listen">statewide coverage map</a>, which contains&nbsp;a listing of frequencies and locations close to you. 

To view weekly schedules of our musical programming, please click either "Classical" or "Indie 102.3," then click the&nbsp;<a href="/classical/schedule">Schedule</a>&nbsp;for Classical, or&nbsp;the <a href="https://www.cpr.org/openair/schedule">Schedule</a>&nbsp;for Indie 102.3. 

Whether it’s a specific news story, classical composer or the latest music, the search box at the top right corner of every page (or in hamburger menu in mobile) will get you started. Depending on what you heard, you may also consult the list below:

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If you are unable to hear audio when using our site's player at the bottom of every page, CPR offers several other formats for on-air broadcast streams. Visit the&nbsp;<a href="https://www.cpr.org/listen/streaming">"Streaming" page</a>&nbsp;to access these formats.

If these do not resolve the issue, please&nbsp;<a href="/report-an-audio-issue/">contact our engineering staff</a>&nbsp;with&nbsp;a detailed explanation of the issue you're encountering.

CPR News, CPR Classical and Indie 102.3 are available to listen to on Amazon Echo or Google Home devices.&nbsp; To listen to CPR News, say "Alexa/Hey Google, play CPR News."&nbsp; To listen to CPR Classical, say "Alexa/OK Google, play CPR Classical."&nbsp; To listen to Indie 102.3, say "Alexa/Hey Google, play Indie 1-oh-2-3" or "Play KVOQ"&nbsp;

Colorado Public Radio transmits signals from AM and FM station and translator antennas across the state. All radio reception is affected by distance, physical obstacles and other broadcast signals. But often the handicaps imposed on radio signals can be lessened with relatively simple enhancements. 

FM broadcasts deliver greater audio fidelity and are less susceptible to static, but they do have their own reception-related challenges. All radio waves travel in straight lines, and an unobstructed, line-of-sight path to a transmitting antenna makes for the best FM reception. Naturally, the farther the signal reaches, the weaker it gets, especially when out of line-of-sight. And when there are reflecting surfaces-tall buildings or mountains, for instance-near your receiving antenna, FM radio waves are also prone to a disturbance known as "multi-path." Like ripples in a small pool, these multiplied waves can cancel out the original broadcast signal at select points.

Because of multi-path reception, car radios are usually the worst receivers for FM. As your car moves, your antenna gathers signal reflections from multiple directions, wiping out the stereo portion of the signal and adding noise. One solution is to shorten the height of your antenna, reducing the sensitivity of your tuner so that it locks in on only the main broadcast signal.

Portable and desktop radios often have telescoping antennas or use the power cord or headphone cord as the antenna. When using one of these receivers, the position of the unit and the orientation of the antenna can be critical. If your receiver uses its power cord as an antenna, stretching out or moving the cord can improve reception. The same is true for units using the headphone cord as the radio antenna.

Most high-end component AM/FM stereo receivers require an external antenna, and many manufacturers supply the simplest kind: a T-shaped, flexible wire antenna called a dipole antenna. Attach this to the receiver's antenna terminals and orient the dipole as needed for best reception. If the dipole offers no appreciable improvement, you may need an external antenna. Designed specifically for FM reception, these look like TV antennas and are usually installed on a roof, on the sides of buildings or in an attic. Again, after connecting the antenna to your receiver, orient it until you get the best reception.

Mono operation gives an FM signal the best range, generally adding 30% to the useable distance over which listeners can hear a broadcast signal clearly. For radio formats in which spoken word predominates, mono is often a better choice.

FM reception problems are magnified by stereo broadcasting because of the receiver's increased susceptibility to noise in the stereo mode. A stereo FM receiver has a noise admitting bandwidth of 53 kilohertz, compared to about 15 kilohertz for mono. Through the stereo decoder circuit, all the AM noise above 19 Khz demodulates back into the 15KHz audio spectrum. This amounts to about an 11dB increase of noise intensity.

In addition, a left or right signal modulates the main and sub carriers just 45 percent each. This means that the recovered main and subcarrier signals are noisier than a mono signal by 6.9dB. When these are dematrixed, the net resulting noise is the RMS sum of the left and right channel noise that equals 1.4 times 6.9 or 9.8dB. The total net stereo reception noise is therefore 9.8dB + 11dB = 20.8dB worse than mono reception.&nbsp; In a good receiver that is fully quieted, the stereo noise will be sufficiently low. However, even the slightest reception problems that produce noise or distortion will be exaggerated on a stereo receiver -- 21dB more than what's heard from a mono receiver. Manufacturers recognize this problem, and include a mono switch on their stereo tuners so listeners can tame troublesome FM stations.

AM reception, which travels both on the ground and through the air, is prone to interference by a variety of sources: other radio stations, lightning storms, and nightfall, when an outlying AM station's signal can reflect off the ionosphere and skip over areas that receive the signal during the day.

With their external antennas, car radios tend to receive AM radio best, but sound and signal quality varies from car to car. Cars that employ their rear window defrosters as antennas may receive AM signals better than those with traditional external antennas; some people can find improvement by replacing their factory-installed antenna with an aftermarket antenna of higher quality. Reception may be disturbed as a car moves from one location to another, passing in and out of areas where the signal is obstructed by power lines or tall buildings.

Portable and desktop radios also often work well with AM broadcasts. Many contain internal, ferrite loop antennas; sometimes the power cord is also the antenna. These antennas are relatively directional, meaning that the quality of the received signal changes depending on where you put the radio. You may improve reception simply by moving your radio around until you are able to catch more of the signal. In some cases an external AM antenna may improve reception with a portable radio as it does with a component receiver.&nbsp;

When it comes to AM reception, not all component AM/FM receivers are created equal. Some have built-in antennas; some do not. Many high-end receivers, however, do have an external connection for an AM loop antenna, which might have come with the receiver when you purchased it. If your stereo receives AM poorly or not at all, you will need to install this loop antenna-usually a rectangular piece of plastic with two wires that connect to two screws on your receiver-and orient it appropriately for the best reception.

Better external loop antennas are also available. These are usually 8 to 12 inches in diameter and can be oriented and tuned just like you tune your radio to help eliminate nighttime interference and noise. Some must be hooked up directly to the external connections on your receiver; others need only be placed in close proximity to your receiver's existing AM antenna.

First, a word of caution: Make sure that any antenna you purchase is returnable if it does not give you the result you desire. That said, there are many sites both locally and on the Internet that offer antennas or the instructions necessary for building your own.

Radio Shack and similar electronic and hardware stores often stock antennas for both AM and FM reception. A good AM loop antenna sells for $10 to $50 depending on features and looks. FM antennas and combined AM/FM antennas are often available as well, for prices that can range from $20 to $200 depending on the features you want. Often it is best to call around first to find someone knowledgeable about radio antennas. And there are also many online resources, including:

If you find a good source for information and products for improving reception,&nbsp;<br />please let us know, either by calling 1-800-722-4449 or by&nbsp;<strong><a href="http://www.cpr.org/about/contact">contacting us online</a></strong>.

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If you are experiencing issues listening to Colorado Public Radio on your radio, your phone, your computer or your smart speaker, please don't hesitate to contact our engineering staff. We also have tips to improve your FM reception, so you can get CPR News, CPR Classical or Indie 102.3 in Denver.

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