NavList:

Gary,

Lower case Greek delta " δ " and lower case phi " φ " are (also) used in the French Navy for Declination δ and Latitude φ . At least this is what I have been trained with and I guess that there has been no subsequent change in this area since. The use of δ for declination probably comes from the Astronomers notation (see below).

As regards Astronomical Coordinates, we use the following convention, and I think that it is an international standard :

For Right Ascension, we use lower case alpha " α ",
For Declination, we use lower case delta " δ " , this probably explains why we kept this one for Navigation purposes,
For Ecliptic longitude we use lower case lambda " λ " and
For Ecliptic Latitude we use lower case beta " β "

... so now lt us wait for the reply you are expecting, i.e. the German Navy conventions.

Best Regards

Antoine M. Couëtte, CDR, FN (Ret)

PS : For Longitude at sea or in the Air, we now use upper case "G", while many moons ago my predecessors did use "P", ... guess why ?
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