[aprssig] Public Icon Set (overlay location)

Scott Miller scott at opentrac.org
Tue Oct 8 12:34:35 EDT 2013

I'd rather have a scheme like MIL-STD 2525 that defines locations for 
modifiers for the icons:



On 10/8/2013 5:23 AM, Robert Bruninga wrote:
> One thing to consider is Overlay characters.
> Originally in APRSdos the overlay characters were drawn over the symbol
> itself and those symbols were drawn to have a clear spot in the center.
> Then in the Kenwoods, we suggested placing the overlay character in the
> upper left corner so that they could appear over any/all symbols.
> In any new system I suggest 2 bits be allocated to indicate where the
> overlay character is drawn.  Upper left, Upper right, center, or none.
>   “None” can be used when a client that has defined a separate symbol
> for a given overlay combo because it does not then also need to draw the
> overlay character.  Though if there is room, it would help human
> understanding across platforms if the overlay character was also obvious
> on the new special symbol.
> Bob, WB4APR
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