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    Re: Chronometers after radio time signals
    From: Gary LaPook
    Date: 2007 Oct 23, 22:50 -0700

    Gary writes:
    You asked :
    "Was there a Morse code shorthand for that whole
    "QTR?" means what is the exact time?
    Morse code brevity code groups usually start with the letter "Q" which is an 
    infrequently used letter so whenever you hear "dah-dah-dit-dah" you know it 
    is going to be a "Q" code signal.
    frankreed@HistoricalAtlas.net wrote:
    >Gary, you wrote:
    >"You may be forgetting that radio time signals are not always available
    >everywhere all the time."
    >Right, but even without a proper time signal, you still have the option of
    >asking anyone who can hear... something like, "Calling all ships, can I get
    >a check on GMT please?" Was there a Morse code shorthand for that whole
    >question?? Back in the 19th century, "speaking other vessels" was a very
    >common method of checking the longitude/GMT. But of course, the other vessel
    >had to be in signalling range (maybe a quarter mile for messages written in
    >chalk on a slate to be readable by telescope ?? a bit further when
    >signalling flags became common ??). But with radio, suddenly you could speak
    >to vessels half a world away.
    >Clearly, chronometers were not suddenly replaced by cheap watches when radio
    >first appeared aboard ship. But surely there was some effect on the market.
    >If I could get a radio set (let's say c.1920) for the price of two
    >chronometers, then maybe I could get by with one good chronometer and a
    >couple of hack watches. Just wondering if anyone has any thoughts or better
    >yet evidence. Perhaps looking at chronometer prices in almanac
    >advertisements would yield some data.
    > -FER
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