[aprssig] SmartBeaconing for Bicycle mobile
bruninga at usna.edu
Fri Mar 8 15:42:13 EST 2019
That’s why for anything important, I like regular-interval reporting and
not Smart Beaconing. If the interval is every 2 minutes, then you know you
should be hearing from every asset every 2 minutes and if you don’t, then
something is wrong.
The channel optimum for 1 min rate is 6 mobiles
For 2 min rate, it is 12 mobiles, etc..
For 3 min rate, it is 18 mobiles, etc.
*Subject:* Re: [aprssig] SmartBeaconing for Bicycle mobile
Might I suggest that you use a 5:1 ratio?
5 mins @ 2 mph with 1 min @ 10 mph?
Theoretically that would update at the same delta distance between the
making the track more 'regular', so to speak.
(almost like making the reports based on distance change instead of elapsed
On Fri, Mar 8, 2019 at 2:44 PM Lynn W Deffenbaugh (Mr) <KJ4ERJ at arrl.net>
Thank you. I'll try 2mph @ 2 minutes and 10mph @ 1 minute tomorrow and
see how it works out. We're not in a very busy APRS environment here,
so the 1 and 2 minutes shouldn't be a burden. Especially not coming
from a 5w HT.
Lynn (D) - KJ4ERJ - Author of APRSISCE for Windows Mobile and Win32
On 3/8/2019 10:20 AM, Joe Della Barba wrote:
> You need to change the settings. I would use about 2 as slow and 10 as
> How often slow and fast beacon is another setting too and that is
> where you keep it from overloading the network. I think for my boat 2
> was slow and 4 fast. For the airplane tracker it was more like 20 and
> 100 and a path change once altitude was > 1000 feet. Below 1,000 it
> was WIDE2-2 and above 1000 no path at all.
> On 3/7/2019 8:06 PM, Lynn W Deffenbaugh (Mr) wrote:
>> Does anyone have experience with efficient SmartBeaconing parameters
>> for bicycle mobile operation? I'm looking to configure my D74 to
>> provide an accurately updating location without overloading the local
>> frequency too much. I really like SmartBeaconing, but the the 10-70
>> mph slow and fast speeds just don't cut it for a bicycle!
>> Lynn (D) - KJ4ERJ - Author of APRSISCE for Windows Mobile and Win32
>> PS. Don't look at KJ4ERJ-4's raw packets as I was doing a local test
>> of a pole mounted antenna with 30 second beaconing this afternoon!
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