Astronomical Megalithic Yard is the ratio between 19 solar and 19 lunar years will an excess of 7 lunar months leading to 19/7 approximated to 19.008 / 7 feet so as to be the step (like other megalithic yards) of the Drusian foot (27 / 25 or 1.08 feet) in its root canonical form.

Title Created Date
Educating megalith builders at Crucuno rectangle 18 February 2018
Lunar Counting from Crucuno Dolmen to its Rectangle 24 February 2018