[aprssig] SmartBeaconing for Bicycle mobile

[Lynn W Deffenbaugh (Mr)]

So, how about 2mph @ 10 minutes, 3mph @ 2 minutes.  That way when I'm 
standing still or basically not moving, it drops to 10 minutes.  When I 
get underway (>3mph), it will ramp to every 2 minutes and stay there 
until I stop again.

I like SmartBeaconing because it slows way down when you stop moving.  A 
fixed 2 minute interval means that it's beaconing every 2 minutes even 
when sitting on the parking lot.  Your point is good, Bob, that you know 
when you should be hearing from someone, but the automatic slow-down is 
nice to have as well.

Lynn (D) - KJ4ERJ - Author of APRSISCE for Windows Mobile and Win32

PS.  Yet another enhancement to SmartBeaconing:  A new "stopped" speed 
below which it drops to a "stopped" interval.  Between slow and fast 
scales between the existing two rates and faster than fast gets the fast 
rate. Should work well, provided that your GPS isn't drifting too badly.

On 3/8/2019 3:42 PM, Robert Bruninga wrote:
>
> 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.
>
> Bob
>
> ----------------------
>
> *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 speeds,
>
> making the track more 'regular', so to speak.
>
> (almost like making the reports based on distance change instead of 
> elapsed time)
>
> ----------------
>
> On Fri, Mar 8, 2019 at 2:44 PM Lynn W Deffenbaugh (Mr) 
> <KJ4ERJ at arrl.net <mailto:KJ4ERJ at arrl.net>> wrote:
>
>     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
>     > fast.
>     >
>     > 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.
>     >
>     > 73
>     >
>     > N3HGB
>     >
>     > 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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