These are normally caused by light switches or mains wiring. If you know your location, you can use our, If you are having continuous reception problems. 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. It is important to check your installation is working properly and that your radio is in the best possible location. If the transmitter is on reduced power or undergoing any transmitter maintenance work, this can cause hissing or fading. As a rule of thumb b urbling noises and breakup on DAB are normally reception problems due to a weak signal, but they could also be linked to some sort of interference. There are differences between a reception problem and one caused by electrical interference. Check you car manual for yours. The same is true for Radio 4 LW on DAB. For information on the, The BBC cannot recommend individual installers. Use our, Secondly, If you are in a good coverage area, and are still receiving poor DAB reception, 5 Live sports extra is a secondary service of Radio 5 Live, and not always available on air. Use the list of symptoms below as a guide to help you identify a possible interference source. 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. You will need to report this illegal station to Ofcom who deal directly with this type of interference case. The radio picks up all non BBC stations including as well as BBC 3CR which is on a different MUX. Poor DAB reception can also be caused by equipment used in the vehicle. However if the original light used a transformer rather than directly running off the mains, it is possible the transformer is causing the interference. Is my problem a Reception or an Interference issue? That’s because they are so used to that trademark hiss and crackle of FM radio interference. Use the, These are not recommended unless absolutely required as they can introduce unexpected reception problems. If you have identified it is, you should contact your local council. A faulty thermostat will normally manifest on the radio as a loud rasping sound. It is worth checking if your neighbours are affected as you will all be using the same television aerial. The first step in troubleshooting your problem is to rule out common problems and determine whether it's a reception or interference problem. Your television can sometimes receive signals from more than one transmitter, which may be transmitting different regional news. For reception type symptoms use the step by step guide to help troubleshoot problems with DAB radio or use the Problem Assistant. There is nothing than can be done the problem will go away when the weather changes. The best digital radios today offer top sound quality and slick interfaces – and at a reasonable price point too. The. A technician uses the audio and picture to sync them with what’s happening on screen. 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. 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'. However the. If you have an external or loft aerial check they are functioning correctly. 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. Use our transmitter checker tool to see the status of your transmitter. 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. UK Free TV shows the coverage area for a radio transmitter as a coloured overlay (orange for FM, other colours for DAB) on the grey map. However, DAB radio works in a completely different way to FM. 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. An electric motor is used in many appliances such as lawnmowers, washing machines, drills and hairdryers. This is why you can often hear radio stations from outside the UK at night. A portable battery powered FM/AM radio is a great tool to use to track down interference. 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. See our guide on, The effect that causes radio signals to travel further than normal is known as tropospheric ducting. Make sure you are tuned to the best frequency for your area, as you can often pick up more than one signal. For more information see the. We have no control over it. To rule out any reception problems within your property see the BBC Reception Advice site to check for any installation faults. Past guests include Ann Coulter, Ben Stein and columnist Michael Barone. DAB radio in the UK is badly broken and needs fixing. It can be readily identified because it only occurs when an appliance is used. However, if the original light used a transformer, rather than directly running off the mains, it is possible the transformer is causing the interference. Check our works and warning page to see if there any current weather problems. A faulty motor can cause crackly whine. Unlike the other services, all the predictions of DAB coverage are for indoor coverage. Electric motor - A distinct rough crackly 'whine'. Look for a pattern. eceiving television through a communal aerial. There is nothing anyone can do about this and the only answer is to wait for the weather to change. By switching it off and seeing whether the problem goes away, you will be able to know if this is the cause. For example you receive one signal directly from the transmitter and another is being reflected off a nearby hill. (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. This needs to be rotated to find the best signal. 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. Ensure you are tuned to the correct frequency for the service you wish to listen to. Check whether there are any known works or warnings that might be causing the problem. 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. For reception type symptoms use the step by step guide to help troubleshoot problems with FM radio or use the  Problem Assistant. There are three types of amplifier – masthead, set-back and distribution. Please see our help guide on a manual retune. Being able to receive more than one signal using the same frequency can cause problems such as pixelation. 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. This can cause whining on the radio, which rises and falls with engine speed. The second signal is picked up by the radio moments after the first. If you’ve suddenly lost access to digital radio stations there could be a problem with your local transmitter. Interference is usually caused by electrical devices in the home. See our help guides which explain the differences. DAB reception problems can be caused by many things. Each DAB multiplex is broadcast using a specific frequency and the transmitters used by that specific DAB multiplex all use the same frequency. If it stops you may have to repair or replace the thermostat. If your radio reception is poor then you could consider an external aerial for best reception quality. You should not retune your television when this happens. We advise you check that your antenna is able to receive DAB, in the majority of cases you will need a new antenna. Damaged cables can cause reception problems and can allow water into your installation. If this does not work, a full re-scan might be needed. 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. A green build-up is a sign that water has at some point got into your installation. If you have several appliances with electric motors you may need to turn them all off and try the above one at a time. Stereo reception needs a stronger signal than mono. Ideally, this should be on the roof or high up on the outside of the building, though it may also give good results in the loft. You will, however, need to have a suitable postcode of the area you are having problems in to see what the radio coverage is in that area. Faulty street lamps can cause this effect. This is more likely to occur following a retune of your television. 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 – … This can commonly be caused by high pressure when, during fine weather, radio signals can travel much further than normal. You may get good, clear reception during the day, but after sunset the signal may fade or become distorted. To rule this out see our guide on, A manual retune is more effective than an auto-retune as it only tunes your television to the transmitter your aerial is pointing towards. Further information on tuning your DAB radio can be found by visiting the, It is important to check the cables and the aerial for damage and that they are operating correctly. Ensure the telescopic/integrated aerial is fully extended. Transmitter Freeview problem reports; Ardintoul: Freeview: Wrong regional programme due to a fault from 18 Dec 11:59 until 18 Dec 12:36. Otherwise, all the unwanted signals will also be boosted, which can cause pictures to break up. Bob Gourley’s “Issues Today” has been in on the air since 1998. By using our Transmitter Checker, you can check which DAB radio services are available at your location. Use our. Weather impacts are rare for DAB but certain weather conditions allow the DAB signals to travel further than normal. Try our Problem Assistant to help you rule out any common problems or follow the advice below. Some hi-fi’s have external AM aerials that tend to look like many wires wound around a plastic loop. Switch off heating systems and see whether the problem goes away. You may need to check that all parts of your receiving system are fully earthed. If you have several appliances with electric motors you may need to turn them all off and try the above one at a time. To find out whether a particular switch is causing the problem, try turning the lights off one at a time. 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