The D-Star protocol is published and open, but all the radios use a proprietary, licensed voice codec (AMBE). Also, Icom has registered the trademark “D-STAR”.
It would be possible to run D-Star with an open source codec (like Codec2), but it probably would not interoperate with other D-Star radios. Codec2 was developed by Dave Rowe, VK5DGR. Some people have argued that the proprietary AMBE codec is equivalent to encryption, and not legal for US amateur radio us. I could buy that. wunder K6WRU CM87wj http://observer.wunderwood.org/ (my blog) > On Sep 18, 2015, at 4:49 AM, Stephen Shearer <sm.shearer...@gmail.com> wrote: > > from some reading I have done recently, D-star is an open source from Japan > ham community. > > I agree, if it's not open, it's not ham radio. > > We use FM on 10, 6, and 2 - modes included in the KX3/K3s, maybe the future > should include d-star. > > 73, steve WB3LGC > > On 17-Sep-15 9:28 PM, Don Wilhelm wrote: >> You have listed 3 digital voice modes that do not talk to each other. >> Furthermore, I recall that these are proprietary coding schemes. >> That is not "Ham Radio" in my mind. Ham Radio is "everyone can talk to >> everyone else", and those digital voice systems where you can only talk >> to those hams who have purchased the same brand of equipment as you have >> selected is more like commercial circuits where you want to shut out >> those who do not 'speak the same language that you do'. >> >> I don't think proprietary protocols belong on the ham bands - just my >> not so humble opinion. Yes, I am also opposed to proprietary data modes. >> >> 73, >> Don W3FPR >> >> On 9/17/2015 9:03 PM, Robert Nobis wrote: >>> Take a look at the digital voice modes that are being used on the VHF >>> and UHF bands: DMR, D-STAR and Fusion. >>> >>> > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:Elecraft@mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to wun...@wunderwood.org ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
