[aprssig] UI-view add-on for RFID?

Lynn W. Deffenbaugh (Mr) ldeffenb at homeside.to
Fri Feb 19 11:13:27 CST 2010


Thanks for finally telling us the callsign to look for to see your 
experiment (unless I missed it before).  I might get some minutes to rub 
against each other this weekend to cobble together a central server to 
do what you're after unless someone else steps up to the plate before 
me.  It won't be a UI-View add-on, but a central APRS-IS server (because 
that's what I do).


Lynn (D) - KJ4ERJ

Robert Bruninga wrote:
>>> APRS RFID works. Maybe someone would consider 
>>> writing an add-on to UI-view so that UI-view 
>>> can display these APRS location reports directly? 
>> It seems to me that you wouldn't need just an 
>> add-on for UI-View, but something to generate 
>> a standard APRS beacon that all APRS clients
>> would understand. 
> Yes, that is it exactly.  There only needs to be one of these in
> range of any APRS-RFD HotSpot that will then do the callsign
> association and then send the packet out onto APRS both RF and
> internet.  By making it a Uiview add-on, then it is easy to
> implement anywhere.
>> Are any "RFID" beacons currently being generated 
>> and sent on RF or otherwise being injected into 
>> the APRS-IS? 
> Yes, my RFID HotSpot is using the call USNA-1 (the actual call
> appears later in the packet).  Each time I go into the lab door,
> you will see a packet on our local RF which hopefully is getting
> to the APRS-IS.
>> Also, what translates the raw tag number into 
>> a callsign? 
> The UI-view add-on or other central processor code.
>> Then what happens if e.g. my mobile continued to 
>> beacon every hour with the same callsign-SSID 
>> that was associated with the RFID card?  The 
>> concept should work in theory if the same 
>> callsign-SSID is used in both, but if the mobile 
>> continues to beacon, and the RFID card was only 
>> read once, the position would toggle back where 
>> the vehicle was parked.
> Good point.  But I think that is an operational problem that is
> less than desireable.  Those people who want their tag read,
> need to remember to turn off their mobile.  Or let it toggle.
> On the map, their track hitory will show they left the car, went
> inside, and then appear to go back and forth.  But we can only
> fix that operationally.. I think.
> The RFID spec is on: www.aprs.org/aprs-rfid.html
> Bob, WB4APR
> ------------------------------------
> - Please see http://www.apritch.myby.co.uk/uiv32.htm for UI-View registration information. Fill in you details and then return to collect your registration as directed by the site. 
> - Precision Mapping version 8 works with UI-View32; the necessary additional PMapServer7 is available for download at http://www.ui-view.org.
> - At http://wa8lmf.net/aprs/UIview_Notes.htm, you will find useful hints and info for your UI-View set-up and use.
> - To get an updated APRS server list in UI-View, remove the default
> URL and instead enter...           france.aprs2.net/APRServe2.txt
> Full instructions can be viewed at http://f5vag.eu/download2.html
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