In the HAM Radio world we use them. But we also use our own infrastructure. I have mine set to let me know when something happens that needs my attention asap. Only works around my stuff or other HAMs that have stuff tied into our system. So not useful outside narrow circumstances.
In the HAM Radio world we use them. But we also use our own infrastructure. I have mine set to let me know when something happens that needs my attention asap. Only works around my stuff or other HAMs that have stuff tied into our system. So not useful outside narrow circumstances.