Enrico's Chart for Phase Noise and Two-Sample Variances
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Copyright Statement - August 31, 2021

The Enrico's Chart for Phase Noise and Two-Sample Variances, hereinafter called "Chart," is copyright Enrico Rubiola, ORCID 0000-0002-5364-1835, home page http://rubiola.org.

The Chart is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License CC-BY-NC-ND.  

In short, you are free to copy and redistribute the material in any medium or format under the following terms.

ATTRIBUTION: You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the Enrico Rubiola endorses you or your use.

NONCOMMERCIAL: You may not use the material for commercial purposes.

NODERIVATIVES: If you remix, transform, or build upon the material, you may not distribute the modified material.

The above summary is excerpted from the Creative Commons web site.
Refer to https://creativecommons.org/licenses/by-nc-nd/4.0/ for details of CC-BY-NC-ND license.

Whoever is interested in distributing the Chart is kindly asked to do use the link to https://doi.org/10.5281/zenodo.4399218, rather than distributing the PDF file.  As explained in the Zenodo web site, DOI 10.5281/zenodo.4399218 always resolves to the latest version of the document. 

As far as the licensor is concerned, distributing printed copies of the Chart free of chage is not considered commercial use.
Manufactures of scientific instruments related to the domains covered in the Chart may appreciate this derogation.

The contact address is indicated on the Enrico's web page on http://rubiola.org.