Ran across this:

https://www.doncio.navy.mil/chips/ArticleDetails.aspx?ID=12681

"Dynamic tuning works by physically changing the antenna tuning
network so that it is consistently tuned to the frequency being
"transmitted at that instant, allowing for peak efficiency."

I'm guessing this means they are sending FSK and retuning for
every bit.



--
A host is a host from coast to
& no one will talk to a host that's close..........................
Unless the host (that isn't close).........................pob 1433
is busy, hung or dead....................................20915-1433