NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Time Ball
From: Greg Rudzinski
Date: 2012 Sep 29, 20:17 -0700
From: Greg Rudzinski
Date: 2012 Sep 29, 20:17 -0700
See this YouTube video showing the historical Sydney Harbor time ball used for setting marine chronometers since 1858.
http://www.youtube.com/watch?v=PMH4J9AtbXU&feature=related
I'm not so sure being one second off in time would be enough error to endanger a vessel as the astronomer implies.
Greg Rudzinski
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