[aprssig] APRS and Big Data

Robert Bruninga bruninga at usna.edu
Sun Jan 1 13:14:55 EST 2017

Maybe all we need to ask is that authors of other Amatur Radio softwware
that might be simultanelousely on-line should simply inject an APRS
status/position packet (and operating frequency) into the APRS-IS.  This
would not get out to the local RF world, but it would let anyone else on
line APRS-IS see what is going on, and where, and on what frequency.  It
would only be a few lines of code to any/all of these other systems.

I always wanted CHAT mode in Echolink and other amateur radio systems to
simply inject any messages to APRS users into the APRS-IS.  That way, even
if they were not on-line with echolink, but were mobile in their APRS
mobile, they would get the chat text and could respond.  I couinted over 26
softwares in Ham radio that have TEXT capabilities, and NONE OF THEM are
crosseconnected tp the Global APRS text messaging system... that extends
that LAST MILE to the end users radio, anytime, anywhere.

See http://aprs.org/aprs-messaging.html


On Sun, Jan 1, 2017 at 11:29 AM, Miroslav Skoric <skoric at uns.ac.rs> wrote:

> On 12/30/2016 06:39 PM, Robert Bruninga wrote:
>> The idea was, tune to 144.39, monitor for 10 minutes, and you would see
>> everything going on in Ham radio in your area, on any and all bands and
>> any and all activites, nets, frequencies,  contests, meetings, eyeballs,
>> and what you were building, installing, whatever.  If you were doing
>> **it** then there was a packet on APRS announcing it live (for the
>> duration).
> Just a digression, I wonder if there ever was a 'regular' 2-way packet
> communication software (say, non-APRS-exclusively-devoted software) that
> was capable to include position reports within 'regular' packets of data -
> for example at the beginning of each transmission, after the sender's
> callsign or so, so that the sender's corespondent (and all others on the
> frequency) could decode the sender's position from his/her packets, and
> plot it on the local map (the map as an addition to the communication
> program) - regardless they are in connected or in disconnected mode with
> the sender? Having been on packet for many years, but not interested in
> APRS until recently, I just wondered ...
>> All we got instead, was a wasted decade of one-way GPS trackers with no
>> one even looking at what was going on in their area.
> Well as said I started looking & learning in APRS maps here. After some
> experimenting with direwolf+xastir combo I started testing
> afskmodem+aprsmap (by Hannes OE5HPM). Thankfully to a nearby APRS digi,
> which is the only way to the APRS world for my small handy ADI AF-16, I can
> now visualize some APRS stations in YU, YO, UR, HG, OM, OK, OE, DL, 9A, and
> S5 countries. However, most of them seem to be unattended digis, and just a
> few are human operators. What I miss here is a way to combine or integrate
> APRS world with traditional packet nodes/bbs's, see bellow ...
>> Are you doing something useful right now in Ham radio?  Are you
>> beaconing it?
> I my case I just added APRS parts to the same Linux machine that has
> already been running packet node & bbs (on another VHF frequency of
> course), so I've been thinking about possible integrating in between those
> two subsystems. For now, I use APRS for beaconing info about packet node &
> bbs for those around who could hear them (since the other radio is also a
> handy but with an external antenna). Btw, unfortunately, once existing
> regular packet network is dead.
> Nevertheless, aprsmap generates text logfiles named rawlog<date>, such as
> rawlog20170101 etc. Its content looks like this:
> 20170101:155449 HG1PNY-1>APDI24,HG2PKB-1,HG3PM
> F-1,YU0XFG-1,WIDE2*,qAU,YT7MPB-1:=4734.92N101739.51E#PHG2630/A=001049DIXPRS
> 2.4.0-beta3 digi+igate sysop:HA1AV/HG2EBH qth:Lilahegy
> 20170101:155459-HG3PMF-1>APMI03,YU0XFG-1*,qAU,YT7MPB-1:T#
> 204,187,141,041,068,000,00000000
> 20170101:155518-HG5CJW-10>APDI22,HG6PGA-1,YU0XFG-1*,qAU,YT7M
> I wonder if it would be of any use to 'export' such logfiles into the
> packet messages sent over the 'regular' packet node/bbs infrastructure, so
> that the 'non-APRS' packeteers can import that data into their local maps
> and see what is (or recently was) going on in other parts of the world.
> Yes, I know there is aprs.fi and other Internet sites doing it online,
> but hey is that feasible to do it over ham packet instead?
>> APRSdos even had a human-present detector (any keys or mouse movement)
>> and if so, your home station symbol changed to indicate “operator
>> present” and of course (by 2004) your voice monitoring frequency was
>> included in your beacon.
> Something like that would be definitely usable for today's software,
> especially for APRS stations that appear on the map but you never know if
> anybody is still attending them after a while. They are still on map but
> the sysop went asleep ...
>> Anyway, what else can we do with “big data”?  I always wanted to write a
>> “special event “ detector that would note any “convergence” of specialty
>> mobiles in an area… thus, alerting one to an emergency response or
>> something,…
> Related to my idea above, it might be interesting to consider producing a
> server addition for FBB and other mailboxes, similar to WP info server or
> so, by means such server could return the 'last known' location for a
> callsign inquiry? (Something similar to returning 'last known' home bbs of
> a user, or so.) In my opinion, by more usage of elsewhere collected data
> would be more cost-effective to the existing packet world.
> Regards,
> Misko YT7MPB
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