B9241004 呂珮瑜

B9241017 夏志怡

B9241024 曹書瑜

B9241038 楊立誠

B9241055 陳俐瑾

History of Morse codeHistory of Morse code The invention of the Morse telegraphy The invention of the Morse telegraphy

systemsystem Samuel F. B. Morse (1791-1872) Samuel F. B. Morse (1791-1872) Professor of arts and design & Inventor of Professor of arts and design & Inventor of

Morse CodeMorse Code Assistant - Alfred VailAssistant - Alfred Vail Development of the code & Transmit Development of the code & Transmit

instrumentsinstruments From Washington to Baltimore - "What From Washington to Baltimore - "What

hath God wrought?"hath God wrought?" Morse code originated on telegraph lines Morse code originated on telegraph lines

with clicking soundswith clicking sounds

American Morse code as International MAmerican Morse code as International Morseorse

Semi-automatic “bug” keys (1902) Semi-automatic “bug” keys (1902) Employment of electronic keyers that creEmployment of electronic keyers that cre

ate “dits” & “dahs”ate “dits” & “dahs” Today’s experienced operatorsToday’s experienced operators Copy text without writing & Transmit 20 Copy text without writing & Transmit 20

~ 30 words/minute~ 30 words/minute

Introduction of Morse codeIntroduction of Morse code Long & Short pulses – representing the letters of tLong & Short pulses – representing the letters of t

he alphabethe alphabet Assign pattern to each characterAssign pattern to each character Dits – short key closuresDits – short key closures Dahs – long kDahs – long k

ey closuresey closures Dash time = Dot time x 3Dash time = Dot time x 3 International Morse users created dahs with longInternational Morse users created dahs with long

er key closureer key closure Pulses are translated into electrical signals by usiPulses are translated into electrical signals by usi

ng a telegraph keyng a telegraph key Transmission made possible for any distanceTransmission made possible for any distance Radio communications – The widespread of interRadio communications – The widespread of inter

national Morsenational Morse

Some things to know Some things to know about Morse codeabout Morse code

Not only learned by bookNot only learned by book PracticePractice Morse code tableMorse code table Used when other communications are Used when other communications are

unavailableunavailable Most widely recognized signalingMost widely recognized signaling Allowed on all radio frequenciesAllowed on all radio frequencies Easily understoodEasily understood Highly reliable in difficult communication Highly reliable in difficult communication

conditionsconditions

Application of Morse codeApplication of Morse code

The R.M.S Titanic’s SOS distress call The R.M.S Titanic’s SOS distress call in 1912. - "Save Our Ship"in 1912. - "Save Our Ship"

News about News about Morse codeMorse code

Make conversation effective between Make conversation effective between different nationsdifferent nations

Letter Morse Code 國際標準報讀法

A ─‧ ALFA

B ─‧ ‧ ‧ BRAVO

C ─ ─‧ ‧ CHARLIE

D ─‧ ‧ DELTA

E ‧ ECHO

F ─‧ ‧ ‧ FOXTROT

G ──‧ GOLF

H ‧ ‧ ‧ ‧ HOTEL

I ‧ ‧ INDIA

J ───‧ JUULETT

K ─ ─‧ KILO

L ─‧ ‧ ‧ LIMA

M ── MIKE

N ─‧ NOVEMBER

O ─── OSCAR

P ──‧ ‧ PAPA

Q ── ─‧ QUEBEC

R ─‧ ‧ ROMEO

S ‧ ‧ ‧ SIERRA

T ─ TANGO

U ─‧ ‧ UNIFORM

V ─‧ ‧ ‧ VICTOR

W ──‧ WHISKY

X ─ ─‧ ‧ X-RAY

Y ─ ──‧ YANKEE

Z ──‧ ‧ ZULU

Digits Morse Code 短打

1 ────‧ ─‧

2 ───‧ ‧ ─‧ ‧

3 ──‧ ‧ ‧ ──‧ ‧ ‧

4 ─‧ ‧ ‧ ‧ ─‧ ‧ ‧ ‧

5 ‧ ‧ ‧ ‧ ‧ ‧ ‧ ‧ ‧ ‧

6 ─‧ ‧ ‧ ‧ ─‧ ‧ ‧ ‧

7 ──‧ ‧ ‧ ──‧ ‧ ‧

8 ───‧ ‧ ─‧ ‧

9 ────‧ ─‧

0 ───── ─

Punctuation Mark Morse Code

Full-stop (period)。 ‧ ─‧ ─‧ ─

Comma ， ──‧ ‧ ──

Colon ───‧ ‧ ‧

Question mark (query) ? ‧ ‧ ──‧ ‧

Apostrophe ` ‧ ────‧

Hyphen ─ ─‧ ‧ ‧ ‧ ─

Fraction bar ─‧ ‧ ─‧

Brackets (parentheses) [] ─‧ ──‧ ─

Quotation marks ‘’ ‧ ─‧ ‧ ─‧

At sign @ ‧ ──‧ ─‧

Equals sign = ─‧ ‧ ‧ ─

Morse Code BraceletMorse Code Bracelet

Eva Martin Jewellery

Sapphire= 1dot,

Emerald= 2 dots,

Ruby= 1 dash....