| Model Number: | 74430 |
Product Specifications
Technical Details
- Bold Classic Radio Controlled Wall Clock By Acctim
- Walnut Finish 32cm Plinth, 24cm Clear White Dial
- Would make a stunning addition to any Office, Lounge, Hall etc
- 3 Hands, Set by the MSF Signal
- Requires 1 x AA Alkaline Cell
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Product Description
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). It is available 24 hours a day across the whole of the UK and beyond. The signal operates on a frequency of 60 kHz and carries a time and date code that can be received and decoded by a wide range of readily available radio-controlled clocks.
The MSF signal is transmitted from Anthorn Radio Station in Cumbria by VT Communications (now Babcock), under contract to NPL.
The antenna at Anthorn is at latitude 54° 55' N, and longitude 3° 15' W. The radiated power is typically around 17 kW and the horizontal radiation pattern is substantially omnidirectional. The signal provides a field strength exceeding 100 µV/m at a distance of 1000 km from Anthorn, which covers the whole of the UK, and it can be satisfactorily received throughout much of northern and western Europe.
Masthead view of the MSF antenna
(Source: VT Communications)
The signal's carrier frequency is maintained at 60 kHz to within 2 parts in 1012, controlled by caesium atomic clocks at the radio station. The broadcast signal is monitored against the national time standard at the NPL site in Teddington and corrected when necessary, allowing it to be used as a frequency reference. Companies that need traceability from the MSF carrier frequency to UTC(NPL) and UTC can subscribe to the NPL Monthly Bulletins.
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Most Helpful Customer Reviews
Amazon Verified Purchase
Very pleasing to the eye.silent working.Replaced an old radio controlled clock,(which is still working but in the Garage!)Arrived on time,very well packed.On the well and keeping perfect time in just five minites.
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