as a workaround if u use the steam version: u can travel to any server u see in transmitter. Don't spawn on this server, just quit the game. The Char is now in the "Upload" - u can spawn on every server and download this Char.
Locate your server on battlemetrics.com and click the Connect Button on the website, download the Char and spawn in your base. Same way to go back to your main server.