Non internet connected TX's. How do others know I'm there ?

Ok I'll try to explain.

If I have a self contained homebrew WSPR transmitter for others to check
propagation with - how do others even know it exists, especially if it's on a band
that often shows zero users (60m/10m/6m/4m/2m/70cms are good occasional examples.)

Using the proper WSPR software enables WSPRNET to report the activity in the band listings.
Others see callsigns listed and are therefore *tempted to give it a go.*

But if you have a bare bones TX that is not internet connected but actually running then
no one knows it exists and the band gets forgotton about.

Does that make sense?

Comments/ideas welcome.

73 de Andy