Assume all radio bands, including ham bands, are monitored with at
   least 12-14 bit depth and recorded.  Those with enough power to be
   heard auditably with a good consumer or ham receiver, from a
   considerable distance, are also likely to be triangulated, in real-time
   or later (from the recordings) with a fair degree of accuracy.
   This doesn't mean covert wireless is impossible, just that simple
   narrow band modulation schemes are out and successful operation also
   requires very good personal tradecraft.
   All consumer and commercial radios are designed for affordable cost and
   maximum interoperability using standardized protocols. Avoiding
   surveillance generally requires dispensing with this path.

   On Wed, Dec 1, 2021, 5:09 PM Stefan Claas
   <[1]spam.trap.mailing.lists@gmail.com> wrote:

     Or become a ham radio operator or visit your local pub once in a
     while.
     Regards
     Stefan
     On Wed, Dec 1, 2021 at 6:05 PM Stefan Claas
     <[2]spam.trap.mailing.lists@gmail.com> wrote:
     >
     > On Wed, Dec 1, 2021 at 5:34 PM professor rat
     <[3]pro2rat@yahoo.com.au> wrote:
     > >
     > > Get off the internet.
     >
     > And if you like to communicate, support your hard-working local
     postman.
     >
     > Regards
     > Stefan

References

   1. mailto:spam.trap.mailing.lists@gmail.com
   2. mailto:spam.trap.mailing.lists@gmail.com
   3. mailto:pro2rat@yahoo.com.au