Fw: [dsat] MSF downtime - pse circulate

From: David Brierley (davidbrierley@waitrose.com)
Date: Tue Sep 21 2004 - 03:46:35 EDT

  • Next message: David Brierley: "DMB Obs September 20-21"

    My wall clock is showing four hours slow.  I can't imagine how MSF is allowed to
    go down, with thousands (perhaps hundreds of thousands) of clocks and now
    watches relying on its "one second in a million years" accuracy.  Any comments?
    
    David Brierley
    
    > FYI - Max
    >
    > Hence one of the reasons why it is not listed in the BAA Handbook!
    >
    > MSF Time and Frequency Station Closing for Essential Maintenance
    >
    > The MSF 60kHz Time and Frequency signal broadcast from the BT Rugby radio
    > station will be closed down from 9.00am on Monday 20 September 2004 until
    > 9.00am on 4 October. The interruption to the transmissions is required to
    > allow maintenance work to be carried out in safety. The service will be
    > restored overnight whenever possible, but this will not always be feasible
    > as extensive work is required on the aerial masts.
    >
    > The MSF transmitter has an estimated equivalent monopole radiated power
    > (EMRP) of 15kW and the horizontal radiation pattern is substantially
    > omni-directional. The signal provides a field strength exceeding 100
    > microvolts/metre throughout the UK, and it can be satisfactorily received
    > throughout much of north and west Europe.
    
    
    
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