[CW] Ship Radio Room clock

[Rick Dettinger]

I wonder how much those go for on the “bay”?


de Rick  K7MW

> On Jan 9, 2022, at 12:55 PM, Hans Brakob <kzerohb at gmail.com> wrote:
> 
> 
>  
> Jim mentioned a “comparing watch”, and shared some images to me.  Here is one.
> 
> An explanation follows the image.
> 
> 
> <Image.jpeg>
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> 
> 
> 
> Prior to LORAN and GPS, navigation at sea depended on precise time for celestial position measurements. The ships
>  chronometer was the onboard time standard, kept in a gimbal mounted double box on the bridge.
> 
> 
> About once a week a Quartermaster would come to radio and obtain a time tick from WWV,
>  CHU, JGY, or similar source. (Navy Quartermasters were navigators, not supply clerks.). Using the “comparing watch”, he’d compare that with the ships chronometer and record any deviation noted.
> 
> 
> 
> Additionally, on a daily basis in late morning he’d use the “comparing watch” to compare
>  all the other important ships clocks against the chronometer. That daily comparison would be noted in the ships log by the OOD and reported to the Skipper by messenger.
> 
> 
> 
> "Good morning sir, officer of the deck sends his respects and wishes to report the approach of the hour 1200. All
>  daily reports have been submitted, ships chronometers have been wound and compared. All magazine temperatures measured and are normal. Request permission to strike 8 bells on time sir.”
> 
> 
> 73, de Hans, KØHB
> “Just a Boy and his Radio”™
> Master Chief Radioman, US Navy (Ret)
> 
> From: abqcooks at aol.com <abqcooks at aol.com>
> Sent: Sunday, January 9, 2022 11:16 AM
> To: kzerohb at gmail.com; CW Reflector
> Subject: Re: [CW] Ship Radio Room clock
>  
> So here's a dumb question.  My clock has silent periods marked Hans but yours doesn't.  Did military ships not have to observe silent periods ?  And do you think the one I posted a picture of is perhaps from a merchant marine ship ?
> I love the history but I don't know it all ...yet.  
> Oh and I have a Bureau of Ships Navy comparing watch (Hamilton 2974) that has an early serial #.  #23 made in 1940/1.     Jim N5KY
> 
> Sent from the all new AOL app for Android
> 
> On Sun, Jan 9, 2022 at 9:31 AM, Hans Brakob
> <kzerohb at gmail.com> wrote:
> Someone asked “Why 24 hour format?”
> 
> Answer: Because it was always ZULU-time in the radio shack.
> 
> 73, de Hans, KØHB
> “Just a Boy and his Radio”™
> Master Chief Radioman, US Navy (Ret)
> 
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> =30=