On May 19, 2010, at 11:06 AM, Trevor . wrote:
The modulation scheme used has the advantage of using half the
bandwidth of D-STAR and both Kenwood and Icom supply a range of VHF
and UHF moniles, handhelds and repeaters.
At a later date there may be some merit in changing the modulation
we use for D-STAR to improve spectrum efficiency.
,___
4FSK is permitted under the D-STAR standard. http://www.jarl.com/d-star/shogen.pdf
1.1.2 (1)
My question would be compatibility with the installed base.
John D. Hays
Amateur Radio Station K7VE
PO Box 1223
Edmonds, WA 98020-1223 VOIP/SIP: j...@hays.org
Phone: 206-801-0820
801-790-0950
Fax: 866-309-6077
Email: j...@hays.org
