[aprssig] APRS Priority bit

[Heikki Hannikainen]

On Wed, 19 Aug 2009, Scott Miller wrote:

>> Second is the concept that digipeaters will now have to decode the data 
>> portion of the AX.25 packet if they are to implement these RF pacing 
>> algorithms.  While software-based digipeaters like digi_ned may be able to 
>> handle this as-is or with minor modifications, I perceive already memory 
>> strapped firmware-based digipeater code may be problematic.
>
> The Tracker2 manages OK with a 7.3 MHz processor and 60k of flash.  The

> My concern is that I need an exact definition of the required digipeater 
> behavior, and it needs to be something that doesn't involve buffering a lot 
> of packets or maintaining lots of counters.

If you wanted to limit digipeating other traffic than positions, you'd 
need to memorize the priority bit per station sent in the position 
packets to allow messages of those stations to be digipeated. Do you have 
much RAM to spare?

   - Hessu