README: New download URLs for the database files

README.md

@@ -18,10 +18,9 @@ repository.
 
 This is a machine-readable index of APRS device and software identification
 strings.  For easy manual editing and validation, the master file is in YAML
-format.  A generator tool, provided in this repository, converts the
-database to XML and JSON, which are also provided in the
-`generated` directory for environments where those are more convenient to
-parse.  The tool also checks the correct formatting of the database.
+format.  A generator tool, provided in this repository, checks the YAML file
+for correctness and converts the database to XML and JSON.  The generated
+versions are also made available for download.
 
 This database is maintained by Hessu, OH7LZB, and a soon-to-be-named team of
 volunteers.
@@ -32,6 +31,22 @@ and software.  If you choose to use the database, and update from here
 regularly, your APRS app will automatically detect new devices added in the
 future.
 
+Validated and generated files are automatically published, after every
+change in the master database, at the following URLs.  APRS applications can
+automatically fetch fresh versions, for example, once per week.  Just
+remember to pick a random day and time - don't schedule all instances to
+download precisely on the same second.
+
+* https://aprs-deviceid.aprsfoundation.org/tocalls.yaml
+* https://aprs-deviceid.aprsfoundation.org/tocalls.dense.json
+* https://aprs-deviceid.aprsfoundation.org/tocalls.pretty.json
+* https://aprs-deviceid.aprsfoundation.org/tocalls.xml
+
+The XML and JSON files were previously published in the `generated/`
+directory of this repository.  Since they're actually build products they do
+not belong in the source code repository.  The copies in the repository are
+no longer updated, and will be removed in 2025.
+
 
 Licensing
 ------------