Back in 2005 ICOM and Kenwood explained the reason for using C4FM, also known as 4-Level FSK, which both companies went on to use for their non-amateur VHF/UHF mobiles, handhelds and repeaters.
Their explaination can be seen at http://www.southgatearc.org/news/apr2005/icom_kenwood_demo.htm 73 Trevor M5AKA ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _______________________________________________ Freetel-codec2 mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/freetel-codec2
