A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
From: Frank Reed
Date: 2022 Jun 16, 10:26 -0700
I wrote earlier: "To me this suggests that someone manually edited the codes at some point."
Just trivia at this point, but here's some background, written 14 years ago, from the editor of that airport list that is used by the occultations app: