Answer: morsecode

AnswerCrossword Clue
MORSECODEPart of Boy Scout lore.
MORSECODEWhere S is ...
MORSECODERobert's rules?
MORSECODECommunication type
MORSECODEDots and dashes, collectively
MORSECODESomething you might tap in
MORSECODEWhat a ham may use
MORSECODEA ham might use it
MORSECODECommunication means for emergencies
MORSECODETelegraph-signals system
MORSECODEDit-dah system
MORSECODEDots and dashes
MORSECODESystem of communication.
MORSECODESignaling system.
MORSECODEIt's made up of dots and dashes
MORSECODEAlfred Vail invention
MORSECODETelegraph basis
MORSECODETelegraph operator's alphabet
MORSECODEIt's all dots and dashes
MORSECODESystem with dots and dashes
MORSECODEHam language
MORSECODE1830s communication innovation