4 ....-

5 .....

6 -....

7 --...

8 ---..

9 ----.

0 -----

Period .. .. ..

Semicolon -.-.-.

Comma -.-.-.

Colon ---...

Interrogation ..--..

Exclamation point --..--

Apostrophe .----.

Hyphen -....-

Bar indicating fraction -..-.

Parenthesis -.--.-

Inverted commas .-..-.

Underline ..--.-

Double dash -...-

Distress Call ...---...

Attention call to precede every transmission -.-.-

General inquiry call -.-. --.-

From (de) -.. .

Invitation to transmit (go ahead) -.-

Warning--high power --..--

Question (please repeat after ...)--interrupting long messages ..--..

Wait .-...

Break (Bk.) (double dash) -...-

Understand ...-.

Error ........

Received (O.K.) .-.

Position report (to precede all position messages) - .-.

End of each message (cross) .-.-.

Transmission finished (end of work) (conclusion of correspondence) ...-.-

INTERNATIONAL RADIOTELEGRAPHIC CONVENTION

LIST OF ABBREVIATIONS TO BE USED IN RADIO COMMUNICATION

ABBREVIATION QUESTION ANSWER OR REPLY

PRB Do you wish to communicate I wish to communicate by means by means of the International of the International Signal Code.

Signal Code?

QRA What ship or coast station is This is....

that?

QRB What is your distance? My distance is....

QRC What is your true bearing? My true bearing is....

QRD Where are you bound for? I am bound for....

QRF Where are you bound from? I am bound from....

QRG What line do you belong to? I belong to the ... Line.

QRH What is your wave length in My wave length is ... meters.

meters?

QRJ How many words have you to send? I have ... words to send.