ARLA/CLUSTER: RE: Yaesu anuncia compatibilidade digital com a Icom e Kenwood na àrea comercial
João Gonçalves Costa
joao.a.costa ctt.pt
Quarta-Feira, 28 de Dezembro de 2011 - 14:19:18 WET
Yaesu's new publication 'A Digital Communication Guide for Amateur Radio operaators' can be seen at
http://tinyurl.com/corqzys
De: cluster-bounces radio-amador.net [mailto:cluster-bounces radio-amador.net] Em nome de João Gonçalves Costa
Enviada: quarta-feira, 28 de Dezembro de 2011 13:46
Para: CLUSTER (cluster radio-amador.net)
Assunto: ARLA/CLUSTER: Yaesu anuncia compatibilidade digital com a Icom e Kenwood na àrea comercial
Yaesu supports 4-FSK digital radios
Since 2005 both ICOM and Kenwood have been producing comercial VHF/UHF rigs and repeaters using 4-FSK modulation now Yaesu has announced its support for 4-FSK (C4FM).
Yaesu's new publication 'A Digital Communication Guide for Amateur Radio operaators' can be seen at
http://www.yaesu.com/downloadFile.cfm?FileID=7146&FileCatID=151&
FileName=DigitalCommunicationsGuide%5FE%5B1%5D.pdf&File
ContentType=application/pdf
It is not widely realized that the D-STAR standard includes the spectrum efficient 4-FSK as well as GMSK.
2005 - Icom and Kenwood demo 'Very Narrowband Digital Communications Technology'
http://www.southgatearc.org/news/apr2005/icom_kenwood_demo.htm
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