[Dx4win] DX4WIN country file Release #23.20 - 26 May 2023

[Jim Reisert AD1C]

> DX4WIN Country File release #23.20 is now available from:
>
>     https://www.country-files.com/dx4win-info/
>
> You can read the release notes at:
>
>     https://www.country-files.com/dx4win-cty-23.20-26-may-2023/

One thing I forgot to mention is that the on-line release notes now
have hyperlinks from some of the prefixes, IOTA and callsigns, if you
want to see more information.  Check it out!

-- 
Jim Reisert AD1C, <jjreisert at alum.mit.edu>, https://ad1c.us