A faulty or uncompressed engine can cause a distinct buzzing 'whine' which varies with engine speed - motorcycles tend to be the worst. If you suspect this - particularly if you are also getting interference on FM - wait until the weather changes. I've just been searching the forums for information on DAB radio in Crawley. This transmitter has no current reported problems The BBC and Digital UK report there are no faults or engineering work on the Darvel (East Ayrshire, Scotland) transmitter. a street lamp. For more helpful information please see our Audio Description help guide. Therefore it is important to minimise the loss by using good quality cable and connectors. This is because your radio will struggle decoding two radio stations on the same frequency. DAB reception problems can be caused by many things. For example, phone chargers or dash cams sometimes cause interference and affect your radio signal. Digital Audio Broadcasting (DAB) is a digital radio standard for broadcasting digital audio radio services in many countries around the world but not in North America where HD Radio is the standard for digital radio.. » Show Answer If you have a relatively new car, the radio may have been tuned to DAB stations in a different location. To improve on this figure, broadcasters would need to increase the number of transmitters drastically and build a much denser network. Switching lights on and off can help to identify the source. If your car radio is showing no signal or no service for a station you usually receive, this could be down to one of the following things: If you know your location, you can use our transmitter checker to see whether there is a problem. Look for a pattern. For more information on how weather can affect your Radio services, please see, It is important to check your installation is working properly and that your radio is in the best possible position. The regulator, Ofcom, deals with Pirate Radio and you can report it using the Pirate Radio form on the Ofcom website. See our. Check any appliance with an electric motor by moving your radio away from it to see whether the sound improves. Further information on tuning your DAB radio can be found by visiting the Get Digital site or see our DAB tuning guide. This is causing the buzzing, clicking or pops sounds you can hear. As a rule of thumb, hissing, distorted 'S' or 'Z' sounds, whistling and twittering are not interference but are caused by general reception problems. However, as there are a limited number of frequencies to broadcast television services, we need to re-use them numerous times across the UK. DAB reception problems can be caused by many things. For further information see our DAB installation guide. Following a decision by the Government, some channels used by Freeview, are being reallocated to allow for the future development of new mobile broadband services. Sometimes a full scan is required. The criteria has recently been met but as yet the government have not undertaken a review of FM radio nor given any indication of when or if FM switch off will happen. Check you car manual for yours. Further information and guidance can be found by visiting the Get Digital site. The big wigs are working on it.” However, if the original light used a transformer rather than directly running off the mains, it is possible the transformer is causing the interference. If your DAB digital radio has the digital tick mark, or you know it has an FM mode, you could use this for reception of Classic FM. There are differences between a reception problem and one caused by electrical interference. There may not be much you can do about this type of problem except move the radio away from any light switches or mains wiring. to help you rule out any common problems or follow the advice below. : Broughton Moor: DAB: Low power due to a fault from 19 Dec 04:45 until 19 Dec 07:45. Weather impacts are rare for DAB but certain weather conditions allow the DAB signals to travel further than normal. As a rule of thumb, hissing, distorted 'S' or 'Z' sounds, whistling and twittering are not interference but are caused by general reception problems. In either case, you need to ask your landlord, or managing agent, to solve the problem. If you have several appliances with electric motors you may need to turn them all off and try the above one at a time. A radio which can tune to medium and long wave services usually has an aerial built in, which you cannot see. DAB radio outage in some parts of the UK Twitter is full of reports that DAB radio is failing this morning, with Digital Radio UK confirming there is a problem with DAB reception in some areas. There is nothing anyone can do about this and the only answer is to wait for the weather to change. The problem could be due to a number of reasons, the station may have stopped broadcasting or have moved multiplexes rather than a radio fault. It is sometimes possible to hear distorted speech through your TV loudspeaker or radio. Past guests include Ann Coulter, Ben Stein and columnist Michael Barone. National commercial digital radio multiplex operator. Most DAB radios can be tuned easily at the touch of a button. Using our Transmitter Checker, check your transmitter is not undergoing any work. This is causing the buzzing, clicking or pops sounds you can hear. If you have a problem first check whether it is with your own equipment or the local transmitter. Instead, they assume that something is wrong with the device itself. Many people are now using low power LED lights instead of the more traditional varieties. If you are still having problems see our sister site Radio and Television Investigation Service (RTIS) for further information. DAB Just tune your Digital Radio (DAB) to LBC. You may get good, clear reception during the day, but after sunset the signal may fade or become distorted. Your television can sometimes receive signals from more than one transmitter, which may be transmitting different regional news. A faulty motor can cause electrical interference. You will need to report this illegal station to Ofcom who deal directly with this type of interference case. A lot of users don’t even realise that their DAB radio problems are down to a poor signal. Ensure you are tuned to the correct frequency for the service you wish to listen to. A faulty or uncompressed engine can cause a distinct buzzing 'whine' which varies with engine speed. At that point you will need to tune your radio until you find a signal. Weather-related problems tend to happen mainly in the summer, when high pressure can cause a radio signal to travel further than it would normally. For more information see our what do filters do help guide. No problems here. These signals can be both UK and foreign stations. If not, then you will need to check the radio and aerial to confirm they are both working properly. This is impractical and would be very expensive. Check whether there are any known works or warnings that might be causing the problem. That budget is used to manage the rollout of new sites and maintain the existing network. If you can receive a service from more than one transmitter, then you get the benefit that your radio combines the signals from all the transmitters it can receive. From time to time radios should be re-tuned in order to discover new stations. For more information on finding and storing these services, see our, There is a possibility some LED Lights can cause interference to DAB and FM Radio Reception, particularly if LED lights are used to replace halogen lights, and retain the original transformer. For more helpful information please see our, Your aerial should be as high as possible pointing towards the transmitter with the best signal. That’s because they are so used to that trademark hiss and crackle of FM radio interference. Many Digital radios have a signal strength display which enables you to position the Radio for the best reception (usually a number of blocks) as a guide of reception quality. For example you receive one signal directly from the transmitter and another is being reflected off a nearby hill. Lost reception of one or more station within a multiplex. It is worth first checking to see whether the problem is with your own equipment, or the local transmitter. Typical causes of interference to a communal aerial are faulty heating thermostats or a poorly suppressed lift motor. If your radio reception is poor then you could consider an external aerial for best reception quality. 3/13/2017. BBC News HD, BBC Four HD and CBeebies HD are broadcast using capacity on commercial multiplexes. We advise you check that your antenna is able to receive DAB, in the majority of cases you will need a new antenna. They come in a variety of powers; in most cases a small reduction is all that is needed. The problem could be due to a number of reasons, the station may have stopped broadcasting or have moved multiplexes rather than a radio fault. Firstly, you may have a poor aerial system, so we recommend you checking over your installation by reading our, To turn AD on or off, press AD on your remote. A wideband aerial is a popular choice, although there are other aerials available. Electric motor - A distinct rough crackly 'whine'. If it is potentially interference, your landlord or management committee can contact the regulator, Ofcom, for help with solving the problem, Following a decision by the Government, some channels used by Freeview, are being reallocated to allow for the future development of new mobile broadband services. Breakthrough can manifest as flashing, jumping, break-up and freezing of TV pictures and ‘voices’ or rhythmic thumps and pops over the radio. Therefore at these times, you can then receive different television services that are using the same frequency. This can commonly be caused by high pressure when, during fine weather, radio signals can travel much further than normal. This will show if you have good or variable coverage. For more information see our guide on tropospheric ducting. Many people are now using low-power LED lights instead of more traditional varieties. The radio picks up all non BBC stations including as well as BBC 3CR which is on a different MUX. Indoor portables are especially susceptible. For more information on how to retune manually see our manual re-tuning page. There could be a fault with the suppressor on the lift motor. Transmitter Freeview problem reports; Ardintoul: Freeview: Wrong regional programme due to a fault from 18 Dec 11:59 until 18 Dec 12:36. Check whether there are any known works or warnings that may be causing the problem. If you live in a basement flat, or your building is steel-framed or reinforced concrete, coverage may be affected. BBC Radio Leeds will broadcast as normal on FM, digital radio, Freeview and online. Further information can be found on our help guide on receiving television through a communal aerial. Telescopic aerials on portable radios should be fully extended to receive a good signal. Retune THE ITALIAN JOB. When the problem occurs check channels from all multiplexes. Please see our, To see whether there are any faults with the local transmitters use the, There are differences between a reception problem and one caused by electrical interference. It is effectively the opposite of an amplifier, though the two work by different methods. The effect that causes radio signals to travel further than normal is known as tropospheric ducting. If you rule out basic reception problems and believe there is a nearby source of interference, you can contact us either by phone or via the form at the end of the Problem Assistant tool. If it is potentially interference, your landlord or management committee can contact the regulator, Ofcom, for help with solving the problem, using their contact web form. If you have an external aerial, a radio signal will always lose some of its strength as it passes along the cable and through the connectors. This could be unwanted signals and result in picture loss on your own television and, maybe, those living nearby. The signal should return once you move away from these features. However, experience has shown it is very rarely either of these, the likely cause of the problem is normally linked to the users own installation. The BBC network stations, e.g. Please be aware most local news is not currently broadcast in HD at this time so will not be available on HD channels. AM does not use the telescopic aerial. If you have an extendable aerial make sure it is fully extended to give the best possible reception. If it is possible, try putting your FM radio into mono. When Radio 5 Live Sports Extra is on air, you should find it right next to 5 Live on the list of stations on your digital radio. For reception type symptoms use the step by step guide to help troubleshoot problems with DAB radio or use the Problem Assistant. For more information on how to retune manually see our, If you are still having problems, it is possible an unwanted signal is the cause. If you find a regular pattern and it is occurring to all stations and your television, there may be a source of interference nearby or within your own home. If the transmitter is on reduced power or undergoing any transmitter maintenance work, this can cause hissing or fading. The aerial and cables need to be well maintained and you need a radio with the option to connect an external aerial. What is the Radio and Television Investigation Service? If you find water damage then it is likely that the cable will need replacing by a qualified aerial installer. Please be aware most local news is not currently broadcast in HD at this time so will not be available on HD channels. For programmes which are pre-recorded, we create the subtitles in advance. Some years are worse than others, depending on the prevailing weather patterns. If you are hearing a hum it is often linked to an issue with your mains adapter. Use the list of symptoms below as a guide to help you identify a possible interference source: This effect happens in bursts of a few seconds at a time and is due to central heating thermostats. It can be found next to Radio 4 on the list of stations. The BBC cannot recommend individual installers. Portable DAB radios will usually have a telescopic one, but if you are retro-fitting a DAB radio into a car, you may need to add a DAB aerial. For reception type symptoms use the step by step guide to help troubleshoot problems with DAB radio or use the Problem Assistant. Amplifiers themselves are a common source of reception problems. Often, car radio interference originates in the ignition system or the charging circuit. Try to avoid putting it next to a radiator or any electronic equipment, for example, a computer, microwave, boiler or mobile phone. An indoor aerial may be good enough, but for the best reception use an outdoor one. 5 Live sports extra is a secondary service of Radio 5 Live, and not always available on air. See how weather can affect Freeview reception. If you get hiss when listening to a stereo signal try switching to mono. Attenuators are always a compromise and should only be used if absolutely necessary. Try moving the radio or tuning to a different frequency. We also have guides on FM radio interference and AM radio interference for help in identifying a source of interference. It is rare for a windfarm to cause interference to your reception. Poorly screened leads can be an ‘entry point’, allowing unwanted radio waves into your television or radio system. Being able to receive more than one signal using the same frequency can cause problems such as pixelation. Just had the Yaris in at the dealers today to try and sort this DAB radio list problem I've been having. Was back in the country in Livingston today and Forth 2 signal was poor on dab, sometimes even no signal when listening to the talk-in in the car on the pure highway but signal picked up as i headed towards Falkirk. If this does not help use the 'autotune' function to reinstall the stations into the memory or talk to your dealer or manufacturer. Depending on the device that is at fault, it may be a process of elimination to find the source. If you have re-tuned your television, we would recommend doing a manual retune to the transmitter your aerial is pointing towards. Distortion - fuzzy, gritty, scratchy sound. It will also show you any transmitter faults. DAB reception is rarely disrupted by high-pressure weather conditions, but under some circumstances, signals from very distant transmitters can cause reception to break up, or be lost for periods of time. Use our. Contact the council if you spot any. We have no control over it. If you’ve suddenly lost access to digital radio stations there could be a problem with your local transmitter. For more information see our guide on. Make sure any cables between your radio equipment and aerial are connected securely. Enter your full postcode for details of which DAB digital radio stations you're likely to receive. Broken aerials may affect reception. If you have a portable radio you will be able to pick up more of the receivable signal if your telescopic aerial is fully extended. It is important to check the cables and the aerial for damage and that they are operating correctly. If neighbours are having the same problem it may be that the aerial itself is at fault, or there may be an interfering signal. Use our transmitter tool to see whether your local transmitter is currently affected by maintenance work. Street lamps can sometimes cause buzzing and crackling sounds. If using a hi-fi with a wire aerial, again extend as much as possible to get the best signal. Check your radio manual for specific instructions on doing a full re-scan. The problem could be due to a number of reasons, the station may have stopped broadcasting or have moved multiplexes rather than a radio fault. To check, remove the power from the amplifier and see whether the problem goes away. If you can’t locate the problem you may wish to speak to neighbours to ask them to do the same as the problem could be located in their home. This is normally the BBC Radio Leeds medium wave frequency. To rule out any reception problems within your property see the BBC Reception Advice site to check for any installation faults. Check any appliance with an electric motor by moving your radio away from it to see whether the sound improves. For more information on finding and storing these services, see our Help guide on DAB secondary services. It often appears at the same time on consecutive days, then disappears for several months. An exception is "helically wound" FM aerials. If you’re having trouble with any services and you think something might be wrong with our network select the service you are having problems with. If all other stations on the same DAB multiplex are working ok and you have just lost one station, this is not due to interference. A pirate radio station is unlicenced and may use frequencies that are close to licenced radio services, for example Radio 2 or Classic FM. For reception-type symptoms use our guide to troubleshoot problems with MW/LW reception or use the Problem Assistant. This is known as co-channel interference. This is more likely to occur following a retune of your television. A high pitched whine associated with engine speed could mean the alternator is not suitably suppressed. This usually happens in warm fine weather, where atmospheric conditions cause television signals to travel much greater distances than they normally would. The speaker might start working again. Television signals can be affected by fine weather including high pressure (atmospherics) and the only solution is to wait for the weather to change, you should not retune during this time. However, in both cases the signal will be weakened as it has to pass through various obstructions such as walls, roof tiles, foil backed insulation etc. more information, please visit our page on, This may be due to two reasons. These fit directly under an outside aerial and usually the best type of amplifier to fix weak signals. If you are still having problems, it is possible an unwanted signal is the cause. For more information, please visit our page on how weather can affect your Television and Radio reception. At night medium wave radio signals can travel much further than during the day. Keeping a note of when each lamp comes on and goes off will help to identify whether this is the cause of your interference. It tends to happen mostly in the evenings - when television viewing is at a peak and specialist FM programmes are on air. Once a reception problem has been ruled out, you will need to start eliminating possible electrical interference. We have a, FM radio signals can be affected by fine weather including high pressure and the only solution is to wait for the weather to change, you should, In some urban areas Pirate Radio can be a problem. For further information see our, Water can get into external cables and can cause reception problems. If you have a battery-operated, portable FM radio, switch it on to see whether the problem can be heard on the FM radio at the same time. When certain weather conditions occur, they allow the signals carrying television services to travel further than expected. Look out for lamps which are dull or flickering as this is normally a sign they are faulty. Stereo reception needs a stronger signal than mono. TVs and set-top boxes that receive Freeview may have the service blocked by these 4G mobile signals; there is a very small chance this may cause interference to your Freeview service. (plug in a known good pair of headphones and try) If the answer is yes, try plugging in and unplugging the headphones briskly, a few times. If you can still receive radio stations via digital television this doesn’t mean that DAB radio is working—radio stations use a different technology to broadcast on digital television than DAB. We use the RDS to ‘tell’ your radio if there is a better or stronger frequency for the radio service you are listening to, as you travel around. Secondly, If you are in a good coverage area, and are still receiving poor DAB reception please try our Problem Assistant for further advice. The CAI (Confederation of Aerial Industries) is a recognised trade body which will can put you in touch with one of their members in your area. Reception is fine and in hilly areas it happily switches from DAB to FM without causing me a problem However, it does give me grief when I want to hear traffic reports – … Unfortunately, some radios are less sensitive than others and need careful positioning to work reliably. Water can get into external cables and can cause reception problems. In addition, breakthrough can be experienced on other equipment such as cordless phones, baby monitors, hi-fi equipment, computer speakers and even hearing aids. You should not retune your television when this happens. Have a look at our, The BBC cannot recommend individual Installers. If you are experiencing pixellation or picture break up, it may be that your signal is too strong as this often presents itself similarly to a weak signal. If you suspect the problem is with your radio, check out these tips for improving your DAB signal . It is important to check that your installation is intact. Ensure the telescopic/integrated aerial is fully extended. Radio reception can drop out when on the move due to changes in topography. This effect happens in bursts of a few seconds at a time when an appliance is switched on. Further information can be found on our windfarm help guide. See our, Radio signals can be affected by fine weather including high pressure. A green build-up is a sign that water has at some point got into your installation. Currently it reports on network DAB stations only; Local and Nations radio faults are not included. There is a possibility some LED Lights can cause interference to DAB and FM Radio Reception, particularly if LED lights are used to replace halogen lights, and retain the original transformer. Portable radios should be tuned in a location in your home where the best possible signal is received. There is nothing that can be done and the problem will go away when the weather changes. You may get good, clear reception during the day, but after sunset the signal may fade or become distorted. Please use our Transmitter tool to see if you are in coverage. To establish whether this is the problem, check whether it happens when the heating comes on. A faulty motor can cause crackly whine. As DAB Italia works with private radio service providers, they are limited to a certain annual budget. We would suggest talking with a qualified mechanic if you experience interference from any item within your car. For example, some masthead amplifiers are also distribution amplifiers. Switch lights on and off one at a time, Passing traffic - A distinct buzzing 'whine' which varies with engine speed. The UK television transmitter networks are engineered to a very high level, so impacts due to the weather are rare. Use our Transmitter Checker to find the best frequencies for your location. It is important to find the cause of the interference as there are a number of filters available to you. Unlike the other services, all the predictions of DAB coverage are for indoor coverage. It can be found next to Radio 4 on the list of stations. For hi-fi systems check your aerial isn’t broken or become loose. Our sister site, the Radio and Television Investigation Service (RTIS) also has useful information on how to distinguish the difference. This is because the power used is lower, and is forced to work outside of its normal operating parameters, resulting in electrical impulse interference. The, If you know your location, you can use our, When travelling in the car, your signal can be affected by. Check whether any of these is being used when you experience the problem. We are only receiving broadcasts through our digital television. Often when halogen lights are replaced the transformer is retained and this can be the cause of the problem. Very occasionally your reception can be affected by weather (high pressure) which can cause hissing or even loss of reception. This is because the transformer would have been designed to operate at higher power and not the lower power used by LED lights. It helps you investigate whether a problem receiving domestic TV and radio services is due to interference from an external source, or is actually a reception problem. There is nothing that can be done but to wait until the weather changes. If you have several appliances with electric motors you may need to turn them all off and try the above one at a time. If reception improves a better quality or external aerial may help. Try to move your radio away from the street or use an external aerial. A portable battery powered FM/AM radio is a great tool to use to track down interference. For example all the cables between your television equipment and aerial are connected securely and none is damaged. This may be from a socket on the wall or a direct cable through the wall. Firstly, poor reception might be down to poor coverage, so it is best to check you are in a DAB coverage area. Try moving the radio around to see if you can find a better position where you get good reception of all the stations you want to listen to. The only solution is to wait for the weather to change, you should not re-tune during this time. There is nothing that can be done about this, the only solution is to wait until the weather changes. Some can also combine television and FM radio signals. The only solution is to wait for the weather to change, you should not re-tune during this time. Please see our help guide on a manual retune. Some sets do this automatically. Audio Description is a live verbal commentary, providing information which describes the key visual information contained on the screen, which a blind or partially sighted viewer may otherwise miss. Poor DAB reception can also be caused by equipment used in the vehicle. It rarely causes problems when listening to strong stations, but is a nuisance when signals are weaker. In either case, you will need to ask your landlord or management committee to solve the problem. The commercial capacity has certain constraints, which mean these HD services can only reach about 70% of UK homes. See our help guides which explain the differences. Listeners to 774kHz medium wave will need to re-tune to continue hearing the full BBC Radio Leeds schedule: To find the best FM frequency for your area, try our problem assistant. Make sure you are tuned to the best frequency for your area, as you can often pick up more than one signal. If so, and it’s in your own home, move the radio away from the appliance. To rule out any reception problems within your property see the. A technician uses the audio and picture to sync them with what’s happening on screen. DAB uses multiplexes to group services together. ; Page 2 2b. However the CAI (Confederation of Aerial Industries) is a recognised trade body which will be able to put you in touch with one of their members in your area. If you have an external or loft aerial check they are functioning correctly. Try moving the radio to another position, such as near a window, higher up, or another room. If your halogen kitchen lights have been replaced for LED ones, these can potentially cause interference to DAB. You may need to check that all parts of your receiving system are fully earthed. is a recognised trade body which can put you in touch with one of its members in your area. Try to move your radio away from the street or use an external aerial. See our help guide on the different types of amplifiers available . A manual retune is more effective than an auto-retune as it only tunes your television to the transmitter your aerial is pointing towards. eceiving television through a communal aerial. This has the potential to cause electrical interference. Some amplifiers are a mix of the above. The best place to put a DAB aerial is on the roof of the car and as far from the engine as possible, to avoid any interference. If you normally can receive a service, but you are now finding it is fading, or you can hear hissing, this could be down to one of three things. On Freeview the BBC does not have enough of its own capacity to carry all its HD services. By using our Transmitter Checker, you can check what MW/LW radio services are available at your location. For more information see our guide on, If you normally can receive a service, but you are now finding it is fading, or you can hear hissing, this could be down to one of three things. In most circumstances the supplied telescopic aerial should be perfectly adequate, and as a rule of thumb DAB aerials tend to work best when vertical and extended at least 35 cm. Use the, These are not recommended unless absolutely required as they can introduce unexpected reception problems. This is because the transformer would have been designed to operate at higher power and not the lower power used by LED lights. To prevent interference it may be necessary to fit a 4G filter. If the hissing or fading is more obvious when it is raining, the rainwater might be getting into the external aerial down-lead. It is important to check that your installation is intact. Damaged cables can cause reception problems and can allow water into your installation. Timing can be random, or there could be a pattern if the lights are on a timer. The aerial and cables need to be well maintained and you will need a radio that has an option to connect an external aerial. 5 Live sports extra is a secondary service of Radio 5 Live, and not always available on air. To find out whether a particular PLT device is causing the problem, try turning them off one at a time. Find out more about DAB digital radio and check if you can receive the national commercial stations. There is usually a pattern to it with a definite start and end time, and it normally affects all services. If you know your location, you can use our, If you are having continuous reception problems. It is a process of elimination so it is important that you switch off everything in your home first to see whether the problem goes away. . Ensure there is nothing in front of the aerial that could block the signal, such as trees. Rule out Reception problems . We have a guide to help you manually retune. These split the TV signal from a single aerial and allow the signal to be sent to several different televisions in the building. If not, it could be a nearby neighbour's thermostat; It’s worth checking with them. If possible, check the external cable for any signs of damage, such as cracking and tears. Please see our help page to see how DAB multiplexes work, Therefore, you may not be receiving this service, as there is not a commercial DAB service in your local area. If so what does the problem sound like? If you have identified it is, you should contact your local council. The 5 Live Sports Extra schedule is available online, and Radio 4 LW on DAB, broadcasting Yesterday in Parliament, along with the Daily Service each day on their respective websites. The first affiliate was the legendary KPPC radio in Pasadena, California. The BBC cannot recommend individual Installers. Check your radio manual for specific instructions on doing a full re-scan. Each DAB multiplex is broadcast using a specific frequency and the transmitters used by that specific DAB multiplex all use the same frequency. The first is a fault with the local FM transmitter. There is nothing than can be done the problem will go away when the weather changes. Many people are now using low power LED lights instead of the more traditional varieties. It is often a process of elimination to find the cause. We have a basic installation guide you can read. Below are some simple techniques you can use to try and determine the source. I think it's more likely that they will reduce the bitrate to 80k to address their financial problems. Check whether there are any known works or warnings that might be causing the problem. The 800 MHz frequencies used by some 4G services are next to the frequencies used for Freeview. To find out if a particular switch is causing the problem, try turning the lights off one at a time. If not, then check the radio and the aerial to confirm they are working correctly. Even if you are predicted to have good reception, you may have problems receiving services using indoor or loft aerials. DAB aerials are different from FM or TV aerials, so you need a good quality DAB-specific aerial. These fit between the aerial socket in the wall and your television. The effect can last from a few hours to a few days and can cause intermittent effects on the service during that time. You can find other common sources of interference in our individual, If your problem is caused by interference, your landlord or property manager can contact the regulator, Ofcom, for help. If this does not work, a full re-scan might be needed. This often sounds like birds tweeting and happens if there is another frequency being transmitted near the one you are listening to. For more information on interference, please see our RTIS site. If you still have a problem use the ‘autotune' function to re-tune. A television signal will always lose some of its strength as it passes along the cable and through the connectors. By using our Transmitter Checker, you can check which DAB radio services are available at your location. See our guide on Buzzing and Clicking. If neighbours have the same problem, it may be with the communal aerial, or possible interference. If it is from a wall socket check both the connector on the cable and on the wall socket for any signs of water or green build-up. For hi-fi systems check your aerial isn’t broken or become loose. The way to turn traffic announcements on and off on varies between radios. The two that are usually blamed are radio amateurs / CB enthusiasts and digital communications (TETRA). See our. Unfortunately, tropospheric-type interference is never spread thinly throughout the year. Does it come and go at specific times? To find out whether a particular switch is causing the problem, try turning the lights off one at a time. This often sounds like birds tweeting and happens if there is another frequency being transmitted near the one you are listening to. Engine affecting your own car radio - A distinct buzzing ‘whine’ which rises and falls with engine speed. If you are using a portable radio with a telescopic aerial make sure it is fully extended, you may also need to tilt or swivel the aerial to get the best reception. This may mean an electrical item in your home, or nearby, is interfering with your MW/LW radio. If you get interference when, for example, using the indicators or heater, then you may need to replace them. Many people are now using low-power LED lights instead of more traditional varieties. Our information on how clear skies and fine weather can affect your radio reception may be useful, please see our Weather Guide. The first step in troubleshooting your problem is to rule out common problems and determine whether it's a reception or interference problem. It has also been known for the engine management system (EMS) to cause problems. It is often a process of elimination to find the cause. If you receive this additional signal it can potentially cause picture break up. Radio signals can be affected by fine weather including high pressure. Find the cable that goes from your aerial or satellite dish into your television, radio or set top box and unplug it. When the BBC has additional sports content, it can be found next to Radio 5 live on DAB radio. This is why you can often hear radio stations from outside the UK at night. How to re-tune your DAB digital radio to listen to talkSPORT and talkSPORT 2 The easiest way to get the live sport you want on DAB digital radio. Even in good areas an external aerial will guarantee optimum performance and will also ensure consistent listening quality. If you rule out basic reception problems and believe there is a nearby source of interference, you can contact us either by phone or, We cannot investigate everything so it’s best to, Once a reception problem has been ruled out, you will need to start eliminating possible electrical interference. The first step in is to determine whether it's a reception or interference problem. If you have bought a new car, the DAB radio may be tuned to DAB stations in a different location. Two examples of possible sources of interference in properties with a shared aerial are: You can find other common sources of interference in our individual help guides. Use the BBC’s Transmitter Checker tool to determine the best transmitter for your location. Our DAB installation guide provides further information. It can be readily identified because it only occurs when an appliance is used. External aerials are also available for FM radio and will significantly improve reception. These are normally caused by light switches or mains wiring. If your problem is due to the weather, it should go away once the weather changes. The problem is that we've just bought my grandparents a DAB/FM radio for christmas. Tilting and swivelling the aerial will help to get the best signal. This can happen when your radio receives more than one signal. When travelling in the car, your signal can be affected by natural features of the land, for example, hills, valleys, rivers, etc. An electric motor is used in many appliances such as microwaves, electric lawnmowers, washing machines, drills, hairdryers, etc. Otherwise, all the unwanted signals will also be boosted, which can cause pictures to break up. If this distant radio signal is on the same frequency as the one you are listening to it can cause a reception problem. For information on the symptoms of interference see our sister website RTIS . If your installation is in good order a simple filter may help solve the problem. If you have an external or loft aerial check they are functioning correctly. Further information can be found on our mobile phone interference help guide. However if the original light used a transformer rather than directly running off the mains, it is possible the transformer is causing the interference. You may need to instruct a qualified installer to assist you with this. Enter your Postcode: Please note: If you live in a basement flat, or your building is steel-framed or reinforced concrete, or if the topography of where you live means you get poor FM or mobile phone service, your DAB coverage may be affected. For more information see our guide on how weather can affect radio reception. Attenuators can be used to decrease the incoming signal if it is too strong without distorting it. Radio 5 Live Sports Extra has a dynamic schedule. If the transmitter is on reduced power or undergoing any transmitter maintenance work, this can cause hissing or fading. Equipment, such as baby alarms, are designed to work within an allocated frequency band and when used correctly they will not cause problems to television or radio reception. We cannot recommend individual installers. And it's an issue that came up once again today because Norway … If it is a direct cable, check for any obvious signs of water or a green build-up on the connector. Delete the presets and re-tune to the services in your area. This can commonly be caused by high pressure when, during fine weather, radio signals can travel much further than normal. Radio Bradford will also be available online at https://www.bbc.co.uk/radiobradford. If the problem persists when you turn the heating back on again; there could be a faulty thermostat, which may need to be repaired or replaced. If you rule out basic reception problems and believe there is a nearby source of interference you can contact us either by phone or via the form at the end of the Problem Assistant tool. This is more likely to occur following a retune of your television. This can increasingly happen if your batteries are beginning to fail. It might be worth borrowing another DAB digital radio to see if the same issue occurs. Before we give it to her, we decided to test it and make sure it could receive DAB, however upon doing a scan, the radio reported 'No Signal'. We cannot investigate everything so it’s best to check the scope of our service first. An externally mounted aerial can be attached to many types of DAB portable radio and hi-fi systems. It can normally be heard as you tune across the AM bands. Nations and Local radio services are carried on a mix of commercial multiplexes. Check our Works and Warnings section to see whether there are any known problems. For example, if water were to get into a masthead type, they can start to boost the result of the fault. Advice for improving medium wave reception can be found on this BBC Reception help guide. About 9.45am today my DAB radio in my office lost Radio 2 and just keeps scrolling "Service not available". It may be necessary to call someone to give your installation a health check. 1/25/2017. This will help you to see if there are, or have been recently, transmitter faults in your local area. This is why you can often hear radio stations from outside the UK at night. The CAI (Confederation of Aerial Industries) is a recognised trade body which will be able to put you in touch with one of their members in your area. For help with other services,such as Satellite, use the Problem Assistant or try our Help Guides. Is my problem a Reception or an Interference issue? Check whether there is a pattern. It can also cause a crackling noise which is worse on MW and LW than FM. See our guide on, The effect that causes radio signals to travel further than normal is known as tropospheric ducting. It is important to check your installation is working properly and that your radio is in the best possible position. As trees sway in windy weather the screening effect varies, leading to fluctuations in the quality of reception. It is best to re-tune your radio when they are broadcasting, so it will store the station in its memory. If the interference changes with engine speed it is most probably the ignition system causing the issue. However, if you are using a frequency you have preset and there is no radio service on that frequency in your location, then the RDS may not work. If your radio displays signal strength, use this as a guide to ensure the best position. Since it is a communal aerial, you will not be able to contact Ofcom directly. For more information see the. The impact is variable and can happen for a few minutes or possible for a small number of days. Northern Ireland Resident? Our information on h, If you are still having problems, it is possible an unwanted signal is the cause. Contact the Freeview Advice Line on 0808 100 0288, or for further details please see, This usually happens in warm fine weather, where atmospheric conditions cause television signals to travel much greater distances than they normally would. All these need a power supply to work. We have a basic installation guide to help you with this. For reception type symptoms use the step by step guide to help troubleshoot problems with FM radio or use the Problem Assistant. Very occasionally, the weather, usually high pressure, can result in a weakened signal. There is nothing that can be done and the problem will go away when the weather changes. The BBC cannot recommend individual installers. Your television can sometimes receive signals from more than one transmitter, which may be transmitting different regional news. When the problem happens, does it affect all stations? This may mean some viewers will lose some TV services, or need to repoint/change their aerial. Ensure your radio is correctly tuned-in, and check that your batteries are in good condition, or use mains power. This can be requested by contacting At800. To ensure you are receiving the correct regional news programmes from the transmitter your aerial is pointing towards, you will need to do a manual retune. Our information on how clear skies and fine weather can affect your radio reception may be useful, please see our Weather Guide. They may be supplied by your Internet Service Provider (ISP) as part of a package. Depending on the transmitter you are using, your aerial elements will need to be mounted flat (horizontal) or on its side (vertical). This is similar to Radio 4 LW on DAB, which can be found next to Radio 4 on the list of stations. Always a compromise and should only be received much further than expected happens there. 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