NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
From: Bill Morris
Date: 2013 Mar 5, 21:47 -0800
Brad
Here are some data for you to play with. The dip was measured with a Wild T2 theodolite, reading to single seconds and the height of eye with a staff and the same thedolite. My wife consented to hold the staff while the water lapped at her feet.
Wind speed variable, 3 to 5 metres/sec. Light overcast 7/8ths.
Air temperature 23 deg C
Water temperature at surface 21.2 deg C
Waves height: about 10 cm
Height of eye : Dip
1.85M : 3'.62
2.30 : 3'.85
2.82 : 4'.00
3.43 : 4'.40
4.55 : 4'.65
Enjoy!
Bill Morris
Pukenui
New Zealand
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