CQD
CQD, transmitted in Morse code as – · – · – – · – – · · is one of the first distress signals adopted for radio use. It was announced on 7 January 1904, by "Circular 57" of the Marconi International Marine Communication Company, and became effective, beginning 1 February 1904 for Marconi installations.
CQD
CQD, transmitted in Morse code as – · – · – – · – – · · is one of the first distress signals adopted for radio use. It was announced on 7 January 1904, by "Circular 57" of the Marconi International Marine Communication Company, and became effective, beginning 1 February 1904 for Marconi installations.
has abstract
Als erstes Funken-Telegraphisc ...... von CQD ist: −•−• −−•− −••.
@de
CQD (wym. si kju di) – dawny s ...... ich stacji: niebezpieczeństwo.
@pl
CQD (— · — · — — · — — · ·) è ...... lto più facile da riconoscere.
@it
CQD era una señal de socorro q ...... ayuda durante su hundimiento.
@es
CQD, in morsecode -·-· --·- -· ...... geschakeld naar SOS ···---···.
@nl
CQD, transmis en alphabet mors ...... s Marconi le 1er février 1904.
@fr
CQD, transmitted in Morse code ...... to alternate between the two.
@en
CQD（摩斯電碼：— · — · — — · — — · · ）是第一個廣泛使用的電報求救信號。
@zh
sound recording
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744,850,307
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Als erstes Funken-Telegraphisc ...... von CQD ist: −•−• −−•− −••.
@de
CQD (wym. si kju di) – dawny s ...... do nadania alfabetem Morse’a.
@pl
CQD (— · — · — — · — — · ·) è ...... lto più facile da riconoscere.
@it
CQD era una señal de socorro q ...... ayuda durante su hundimiento.
@es
CQD, in morsecode -·-· --·- -· ...... geschakeld naar SOS ···---···.
@nl
CQD, transmis en alphabet mors ...... s Marconi le 1er février 1904.
@fr
CQD, transmitted in Morse code ...... 904 for Marconi installations.
@en
CQD（摩斯電碼：— · — · — — · — — · · ）是第一個廣泛使用的電報求救信號。
@zh
label
CQD
@en
CQD
@es
CQD
@fr
CQD
@it
CQD
@nl
CQD
@pl
CQD
@zh
FT-Notruf
@de