![]() Externally, pylons, scaffolding or overhead power cables can also screen the signal A steel-framed or reinforced concrete building, or large metal objects such as metallic window frames, will reduce the signal inside. Objects such as televisions, electric motors and fluorescent lights can interfere with the signal. Try moving your clock to a different location.Some clocks have a signal strength indication that helps in finding the best reception Most radio-controlled clocks have an internal antenna that picks up the signal most effectively when it is facing directly towards or away from Anthorn. It can take quite a few minutes for the clock to pick up the MSF radio signal, so be patient Change the current battery for a fresh one and reset your clock. Check that the power supply is in full working order.If this is not done, the clock may well run an hour fast or an hour slow (If the clock's manual indicates a different procedure to this, follow that instead) If the clock uses both mains power and a battery, remember to switch on the mains power and allow the clock to set before inserting the battery.There may be a set procedure which if not followed, will result in the radio controlled clock not working Consult the manual for the clock before turning it on.It is available 24 hours a day across the whole of the UK and beyond.Īssuming that the signal is still on, the following suggestions, in order of increasing difficulty, may help to improve reception of the MSF radio signal: The MSF radio signal is a dedicated time broadcast that provides an accurate and reliable source of UK civil time, based on the NPL time scale UTC (NPL). In October 2001, transmission from the Kyushu station commenced allowing the standard frequency to be received across the entire country.Ĭurrently, a study for providing a variety of information including news and emergency information, as well as time information, using the standard frequency, is underway.What can you do to ensure you receive the correct time? Since commencing transmission of the standard frequency from Fukushima station in June 1999, transmission power has been strengthened from 10kW to 50kW, and the reception range has expanded to approximately 1,200 km from the station. ![]() ![]() The standard frequency in Japan is operated by the National Institute of Information and Communications Technology (NICT) ( ), and transmitted from the Fukushima standard frequency station (Ohtakadoyayama) and Kyushu standard frequency station (Haganeyama). The microprocessor decodes the time signal, and adjusts the timepiece and displays the precise time automatically.Īfter having received a time signal, the timepiece runs as accurate as an ordinary quartz timepiece. The signal is amplified in the receiver and the receiving pulse is sent to the microprocessor. The JST is based on a "Cesium atomic clock" that may gain or lose 1 second over the course of 100,000 years.Ī time signal on the standard frequency sent by a transmitting station is received by the antenna and sent to the receiver of the timepiece. The antenna inside the case or band of the timepiece automatically receives the time signal of the Japan Standard Time (JST) transmitted on the official standard frequency which includes time and calendar information at regular time intervals to adjust losses or gains and display the precise time. The mechanism of the radio-controlled timepiece for displaying precise time is as follows. One is a radio-controlled watch (operates in any position and is designed to be carried or worn) and another is a radio-controlled clock (designed to be used in a fixed position). There are two types of radio-controlled timepieces. The radio-controlled timepiece displays the precise time and calendar by automatically receiving a radio signal on an official standard frequency. ![]()
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