Phone – But Not Telephone!. In the radio world, phone transmissions are voice transmissions by radio . When you hear hams use the word “phone,” it usually has nothing to do with telephones. . Modulation.
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Group T6B covers voice communications, as well as the popular digital communication modes, EchoLink and IRLP .
Group T6C covers several types of non-voice communications, such as image communications, data, CW, packet, and PSK31. It also covers Morse code techniques and amateur radio Q signals.
This concludes Study Guide # 6.
Once you are satisfied that you can answer 80% of the questions in this Sub-element, you are ready to move on to Study Guide # 7.