Thanks Mark, Makes it easier to understand.
Ron W4LDE Mark Miller wrote: >At 10:55 AM 10/1/2005, you wrote: > > >>most of the user are >>using the lower bandwidth on 30 and lower since we have limited space >>and its share more with SSB, RTTY and the other digital modes.. >> >> > > >Yes that is certainly a factor, but on 40 most of the time I hear Olivia >and other modes right on top of the phone, so I am not sure given the >current allocations for 40 meters that this really makes much >difference. It seems that Olivia and phone can co-exist. > >I have put together a spreadsheet at >http://home.comcast.net/~mdmiller7/new_mfsk/tones_bw_baud_comp.htm that >lists all of the possible combinations of tones and bandwidth for >Olivia. At the bottom you will see tabs that say all_possible, all_us, and >best. The all_possible tab is self explanatory, the all_us takes into >consideration the 300 baud limits that U.S. amateurs must operate under, >and best is the best combinations in MY OPINION optimized on characters per >second, baud rate, and interleaving. Bandwidth is not taken into >consideration. > >The columns at the top are self explanatory, with the exception of >mult. Mult is the bits per second multiplier that you get when you use >m-ary tones. An example is that with 16 tones, you encode 4 bits per >symbol, so you get bit per second mulitiplier of 4. > >Take a look and see what you think. > >73, > >Mark N5RFX > > > > > >The K3UK DIGITAL MODES SPOTTING CLUSTER AT telnet://208.15.25.196/ >More info at http:///www.obriensweb.com > >Yahoo! Groups Links > > > > > > > > > ------------------------ Yahoo! Groups Sponsor --------------------~--> Get fast access to your favorite Yahoo! Groups. Make Yahoo! your home page http://us.click.yahoo.com/dpRU5A/wUILAA/yQLSAA/ELTolB/TM --------------------------------------------------------------------~-> The K3UK DIGITAL MODES SPOTTING CLUSTER AT telnet://208.15.25.196/ More info at http:///www.obriensweb.com Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/digitalradio/ <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
