This is about Pactor modems not being readable by other hams because the protocol is proprietary from version 2 upwards, and therefore unreadable. Also, the ama

This is about Pactor modems not being readable by other hams because the protocol is proprietary from version 2 upwards, and therefore unreadable. Also, the amateur bands can't be used for commercial traffic, and yet they are. The article may not explain this well, but that's the core of the issue. Both sides muddy it up a bit. This battle has been raging since the 90s. I posted a longer description in another thread here.