Welcome to the NavList Message Boards.


A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding

Compose Your Message

Add Images & Files
    Re: Quartz Watch Movement Replacement
    From: Bill B
    Date: 2012 Jun 18, 16:22 -0400

    On 6/18/2012 12:14 PM, Greg Rudzinski wrote:
    > After three days the new ETA 805.121 quartz movement is still spot on :)
    How do you determine "spot on" over a three-day period?"
    I have been chasing the sub-second differences between NIST computer
    display, RCC, GPS and watch with some interesting (and surprising) results.
    After considerable research I purchased a Kaito KA11 radio (small and
    reasonably priced) to receive the WWW time broadcasts. I also use the 30
    fps video mode on my point-and-shoot digital camera to capture 2 devices
    simultaneously and count frames for difference. (Example: watch or RCC
    against computer screen.)
    Bill B

    Browse Files

    Drop Files


    What is NavList?

    Join NavList

    (please, no nicknames or handles)
    Do you want to receive all group messages by email?
    Yes No

    You can also join by posting. Your first on-topic post automatically makes you a member.

    Posting Code

    Enter the email address associated with your NavList messages. Your posting code will be emailed to you immediately.

    Email Settings

    Posting Code:

    Custom Index

    Start date: (yyyymm dd)
    End date: (yyyymm dd)

    Visit this site
    Visit this site
    Visit this site
    Visit this site
    Visit this site
    Visit this site