It may be worth catching up on the prior art here. Hans Freudenthal’s LINCOS) was developed as a method of communicating with aliens of any sort, using nothing but radio pulses.
That gets you from ‘encoding’ to ‘communication’. When the other intelligence is looking at things other than the duration and magnitude of your EM pulses, they can’t decode the rest.
It may be worth catching up on the prior art here. Hans Freudenthal’s LINCOS) was developed as a method of communicating with aliens of any sort, using nothing but radio pulses.
That gets you from ‘encoding’ to ‘communication’. When the other intelligence is looking at things other than the duration and magnitude of your EM pulses, they can’t decode the rest.