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    Re: Radio time signals disappear
    From: Bill Lionheart
    Date: 2018 Aug 14, 11:27 +0100

    In many countries FM broadcast radio transmits Radio Data System (RDS)
    and in these areas car radios all have this system. In my car the
    dashboard clock is set to derive its time signal from RDS. It is
    accurate to 100ms so good enough for celnav... on the other hand you
    can usually only pick up FB broadcast in areas where you don't need
    celnav! And if you are sailing in the Golden Globe you can't set your
    manual chronometer using an RDS radio. We still have the Russian RWM
    https://en.wikipedia.org/wiki/RWM, but it only gives you the start of
    the minute.
    
    If you are not in the Golden Globe (or otherwise dedicated to retro
    navigation), but want to navigate autonimously (not sats in
    particular) you can use a cheap Casio quartz watch and calibrate it
    before you set off. So arguably we don't need radio time signals at
    sea. You can use a clock with a built in long wave time signal decoder
    (these are also less than £UK 10) to calibrate the watch on land.
    
    Bill
    
    On 7 August 2018 at 17:45, Herman Dekker  wrote:
    > In The Netherlands the NOS (Dutch Broadcasting Foundation) has decidid that
    > the Time Signals Pips that where send on the whole hour, before the
    > newsbulletin, are obsolete.
    >
    > The motivation:
    > Every person now uses one accurate digital watch. And more and more people
    > listen online or Digital to Radio, and the time delay, online or digital
    > makes these pips unreliable. So no more time pips.
    >
    > The pips were used from 1948 (6 pips at that time). In 1991 the pips where
    > reduced to 3 pips and now 2018 no more pips. Again a source for time control
    > disappears.
    >
    > Regards
    > HermanD
    >
    > View and reply to this message
    

       
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