This gets you familiar with calls you will hear on an emergency net, and it gets you familiar with the net protocol. Get a copy of the net scripts that Jake, the Net Manager, has taken the time to prepare. These are available from Jake - request it on the net when you check in. Some other things to keep in mind can be found in the Public Service Commission manual which contains rules, regulations and suggestions for Amateur Radio operators. While it is true that the general public may be listening, our transmissions are not and should not be made for that purpose.
Broadcast stations are well equipped to perform any such service.
Our job is to communicate for not with the general public. Listen much, transmit little. It is always a good procedure to announce your presence on a repeater when you are certain of being able to assist in a given situation , and always a bad one to tie it up with idle or inane chatter.