For example, the mail protocol above can be adapted to send messages to aircraft by changing the V.42 modem protocol to the INMARS LAPD data protocol used by the international marine radio satellites.
The mail protocol above can be adapted to send messages to aircraft by changing the V.42 modem protocol to the INMARS LAPD data protocol. This was for example. This INMARS LAPD data protocol is used by the international marine radio satellites.