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[aprssig] HT/mic DTMF standards

Robert Bruninga bruninga at usna.edu
Tue Sep 30 21:00:40 UTC 2008


Mark, I agree completely...  
But... On the other hand...

> It should be the same as on a cell phone. 
> That is what will be expected by "younger" hams.
> J = 5
> K = 55
> L = 555
> 5 = 5555

But danged if ECHOLINK didn't do it the other way... Even though
my APRStt spec and the kenwoods were out in 2001 before echolink
did callsigns..

> it should be the same as MOST telephones.
> 7 = PQRS7
> 9 = WXYZ9

But danged if neither Kenwood or Echolink did it that way..
UG...

> At 03:28 PM 9/30/2008, you wrote:
> > >> Anyone that wants to add to the table
> > >> send in your limits ...
> >
> > > THD7   has 16 with 1=QZ
> > > D700   has 16 with 1=QZ
> > > FT470  has ?? with 7=PQRS
> > > FT-51R has 16 wiht 1=QZ
> > > TH-79a has 16 No Alpha at all.
> > > VX-7R  has 16 with 7=pqrs
> >
> >Now then we need opinions also on the selection code?
> >Is it multi-key presses to cycle through the single key
options,
> >IE L is encoded as "555" or is it encoded as "53" or "35" as
in
> >Echolink?
> >
> >Bob, WB4APR
> >
> >
> >
> >_______________________________________________
> >aprssig mailing list
> >aprssig at lists.tapr.org
> >https://lists.tapr.org/cgi-bin/mailman/listinfo/aprssig
> 
> 
> 





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