A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
From: Sean C
Date: 2020 Oct 2, 21:48 -0700
" ... where does one find a dowloadable table of GHA's of the moon that I can insert into an excel spreadsheet ..."
Frank's online almanac is a good place to start. And there are many others, too. A Google search for "online nautical almanac" will turn up more than a couple results.