The third symbol indicates the type of information being transmitted. You are most likely to come across A , D , and E . A indicates telegraphy for aural reception. If you are transmitting Morse code to be received by a machine you would use the symbol B instead of A . The symbol D indicates data transmission.
E indicates telephony.
This page was created 19 July using Microsoft FrontPage 97 Nigel D Purchon, G0WKM , GX7VHH , GX0WVJ . Copyright Gondar Design 1997. All rights reserved.