It's the low-speed setting.  As a work-around, I could have the config 
program set it to 1 if the user selects 0.

Scott

Chris wrote:
>  
> 
> 
> 
> --- In [email protected] <mailto:tracker2%40yahoogroups.com>, 
> Scott Miller <sc...@...> wrote:
>  >
>  > Sorry for the slow response on this stuff - I've been swamped with
>  > paperwork, we just got ADS-SR1 boards in and we're trying to get those
>  > processed, and OT2m boards are due in today and will make things even
>  > more hectic.
>  >
>  > This is pretty much the expected behavior unless your GPS receiver is
>  > configured to have a dead band for low speeds. Your 'direction' will
>  > tend to flop all over the place. That's why there's a minimum speed for
>  > it to take effect. Same with the wind reporting on the weather firmware
>  > - below a certain speed the wind measurement is unreliable and chaotic
>  > and is discarded.
>  >
>  > Scott
>  >
>  > Chris wrote:
>  > >
>  > >
>  > > Scott - I wonder if you could comment
>  > >
>  > > I believe I have noticed a glitch in the T2 smart beaconing
>  > > implementation that can be readily demonstrated by changing the Slow
>  > > Speed setting from a non-zero value to 0. In both cases the end user
>  > > would reasonably expect: Actual Beacon Rate = Slow Beacon Rate setting.
>  > >
>  > > However, what I have observed is that when the Slow Speed Setting = 0
>  > > the Beaconing Rate is no longer governed by the the Slow Beacon Rate
>  > > setting, and can become very fast, e.g. a beacon is transmitted every
>  > > few seconds.
>  > >
>  > > A possible fix would disallow 0 as a valid entry for the Slow Speed
>  > > setting. A minimum setting of 2 MPH should work fine, (1 MPH is
>  > > currently disallowed).
>  > >
>  > > Chris
>  > > KF7FIR
>  > >
>  > >
>  >
> 
> Scott,
> 
> Thanks for your reply. You mention that there is minimum speed to 
> activate the corner pegging. Is this minimum speed fixed in firmware or 
> is is user configurable?
> 
> If it is user configurable I presume that it is linked to the Low Speed 
> Setting, but I can not find documentation confirming this. Also, if this 
> is the case, there would be little value in allowing 0 as an entry 
> because it effectively places the T2 into a high rate beacon generator 
> mode. A user would have to be intimately familiar with the workings of 
> the algorithm to avoid the pitfal of entering 0 if the consequence is 
> not clearly explained documentation.
> 
> Chris
> KF7FIR
> 
> 



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