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[aprssig] AX.25 RR bit test - Holy Grail (KWD)

PE1RDW aprs at pe1rdw.demon.nl
Tue Dec 4 18:03:35 UTC 2012


On Tue, 04 Dec 2012 18:53:39 +0100, PE1RDW <aprs at pe1rdw.demon.nl> wrote:

> On Tue, 04 Dec 2012 18:47:15 +0100, PE1RDW <aprs at pe1rdw.demon.nl> wrote:
>
>> Will the effect on a dama master node like xnet also be tested because  
>> dama does use these bits as wel, not sure if it only uses them in the  
>> source or destination adress or also in the via adress
>>
>> one thing I do know from some dama master software is that they will  
>> send warnings when they detect another dama master on their frequentie.
>>
> also found this litle tidbit about problems with using bit 5 for non  
> dama usage
> http://www.amsat.org/amsat-new/news/viewBrowse.php?nID=382&y=1996&v=244
>
more info extended ax25 modulo 128 uses bit 6 of the source ssid but only  
as information for monitoring stations, theoreticly should not have any  
effect if used in another way especialy in ui frames

-- 
73 Andre PE1RDW



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