I want to play!

But..

localhost:~# echo -e "\x00XR2K" | nc clearsky.dev 29438 AXR2KPxr2000.leo.spacenet:send a single 0 byte followed by 'XR2K' for documentation

printf has the same problem. Is it me?

That should work fine! I had some db issues on my end. Should work now!

It's working.