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Morse code
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=== Cut numbers === Most numbers have an unofficial short-form, given in the table below. They are only used when both the sender and the receiver understand that numbers, and not letters, are intended;{{citation needed|date=October 2023}} for example, one often sees the most common [[R-S-T system|R-S-T signal report]] rendered as '''5{{sc|NN}}'''[[#double_dagger_anchor|{{sup|[β‘]}}]] instead of '''599'''.{{citation needed|date=October 2023}} :{| class="wikitable" |+ {{big| Cut numbers }}<br />{{citation needed|date=October 2023}} |- ! Intended<br/>digit ! "Cut" number<br/>code ! {{grey| Same as code<br/>in Intl. Morse }}[[#asterisk_anchor|{{sup|[}}*{{sup|]}}]] ! {{grey| Normal code<br/>(long form) }}[[#asterisk_anchor|{{sup|[}}*{{sup|]}}]] |- ! 0 | {{morse|dash}} |style="text-align:center;"| {{grey|'''{{sc|T}}'''}} | {{grey| {{morse|dash|dash|dash|dash|dash}} }} |- ! 1 | {{morse|dot|dash}} |style="text-align:center;"| {{grey|'''{{sc|A}}'''}} | {{grey| {{morse|dot|dash|dash|dash|dash}} }} |- ! 2 | {{morse|dot|dot|dash}} |style="text-align:center;"| {{grey|'''{{sc|U}}'''}} | {{grey| {{morse|dot|dot|dash|dash|dash}} }} |- ! 3 | {{morse|dot|dot|dot|dash}} |style="text-align:center;"| {{grey|'''{{sc|V}}'''}} | {{grey| {{morse|dot|dot|dot|dash|dash}} }} |- ! 4 | {{grey|{{n/a|N/A}}[[#dagger_anchor|{{sup|[β ]}}]]}} |style="text-align:center;"| '''4'''[[#dagger_anchor|{{sup|[β ]}}]] | {{morse|dot|dot|dot|dot|dash}}[[#dagger_anchor|{{sup|[β ]}}]] |- ! 5 | {{morse|dot}}{{sup|[[#double_dagger_anchor|{{sup|[β‘]}}]]}} |style="text-align:center;"| {{grey|'''{{sc|e}}''' ''or''}} '''5'''[[#double_dagger_anchor|{{sup|[β‘]}}]] | {{morse|dot|dot|dot|dot|dot}}[[#double_dagger_anchor|{{sup|[β‘]}}]] |- ! 6 | {{grey|{{n/a|N/A}}[[#dagger_anchor|{{sup|[β ]}}]]}} |style="text-align:center;"| '''6'''[[#dagger_anchor|{{sup|[β ]}}]] | {{morse|dash|dot|dot|dot|dot}}[[#dagger_anchor|{{sup|[β ]}}]] |- ! 7 | {{morse|dash|dot|dot|dot}} |style="text-align:center;"| {{grey|'''{{sc|B}}'''}} | {{grey| {{morse|dash|dash|dot|dot|dot}} }} |- ! 8 | {{morse|dash|dot|dot}} |style="text-align:center;"| {{grey|'''{{sc|D}}'''}} | {{grey| {{morse|dash|dash|dash|dot|dot}} }} |- ! 9 | {{morse|dash|dot}} |style="text-align:center;"| {{grey|'''{{sc|N}}'''}} | {{grey| {{morse|dash|dash|dash|dash|dot}} }} |- |colspan=4 style="height:1px;"| |- ! {{big|'''.'''}} | {{morse|dash|dot|dash}} |style="text-align:center;"| {{grey|'''{{sc|K}}'''}} | {{grey| {{morse|dot|dash|dot|dash|dot|dash}} }} |} '''Table notes''' {| |- style="vertical-align:top;" |style="text-align:center;"| {{anchor|asterisk_anchor}}[*] || Codes that are ''not'' cut numbers, or are not numbers, are {{grey|'''shaded grey'''}} in the table. |- style="vertical-align:top;" |style="text-align:center;"| {{anchor|dagger_anchor}}[β ] || There are no distinct cut-number codes for '''4''' or '''6''', since cut numbers are made by reducing multiple ''dahs'' in the standard Morse number codes to only one ''dah'', but keeping all the ''dits'' as-is; digits '''4''' and '''6''' already only have one ''dah''. |- style="vertical-align:top;" |style="text-align:center;"| {{anchor|double_dagger_anchor}}[β‘] || Some operators just send the standard code for '''5''', even when using other cut numbers, since five ''dits'' are still fairly short (same duration as cut '''3''' and cut '''7'''), and a single ''dit'' could possibly be misinterpreted as a mistaken cut '''1''' or cut decimal point.{{citation needed|date=October 2023}} |}
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