Chris,

What callsign-SSID are we talking about here?  Do you have profile 
switching enabled at all?  Are you SURE you don't have profile switching 
enabled (a very common problem in fast beaconing)?

If you have a Nuvi 350, did you perchance send in a "--bea" command?  I 
did that yesterday on my KJ4ERJ-9 and it stuck in the Outbox as 
"Sending..." causing beacons every few seconds until I figured it out.  
(KJ4ERJ-9 is an OT2m, not an internal T2)

Lynn (D) - KJ4ERJ - T2-135 as KJ4OVQ-9 OT2m as KJ4ERJ-9

Chris wrote:
> I was experimenting with a low speed Smart Beacon Profile on a T2 (with 
> integrated 5W VHF transceiver) and encountered an unexpectedly high beaconing 
> rate when parked.  My settings were as follows:
>
> Slow Speed: 0.0 MPH   TX rate:  7193 sec
> High Speed:   4 MPH   TX rate:    61 sec
> Turn angle:  15 deg   Max TX rate: 3 sec
>
> The shallow turn angle and fast TX rate was set to see if I could reliably 
> double beacon on street corners.
>
> The issue arose when parked:  Initially, as anticipated, the T2 did not 
> beacon, but after 10 minutes sitting, it began beaconing every few seconds 
> until I shut it off.  After thinking about what could cause this it occurred 
> to me that beaconing may be triggered when the uncertainty in sequential GPS 
> readings causes the T2 turning algorithm to be satisfied.  However, since I 
> don't know the details of the turning algorithm I can only guess how to avoid 
> this boundary condition.
>
> Can anyone shed some light on this?
>
>
>
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