The observatories with their langitude and latitude (WGS84) are taken from Wikipedia. The elevation is retrieved with the Google Maps Elevation API. Corrections and additions are welcome. Please put the source into a reference field of the entry if you do a commit or pull request.
This compilation is under the Creative Commons CC0 license. That means you can copy, modify, distribute, even for commercial purposes, all without asking permission.
For convenience, a simple Python 3 script is added to convert the table into the casacore Observatories data table.
Ole Streicher olebole@debian.org, 2016-11-01