for our uninvited ccp frens
>line of sight
reduces chance of detection if that is a concern
digital comms reduce chance of self doxing
This too would be an example of line of sight comms
Laser-based high-speed data transfer
https://www.hensoldt.net/products/optronics/laser-communication-terminal-high-speed-data-transfer/
Just to ensure there is zero percent chance for misunderstanding
UHF/VHF digital cross banding would be 1000x more secure than yacking on an hf rig.