[Xastir] What is very large rectangle with X in center on station?

Tom Russo russo at bogodyn.org
Fri Feb 21 08:07:55 PST 2020


It's a station transmitting with position ambiguity (truncated precision
position).  The box represents the range of positions that the station could
be in given the limited amount of data it transmitted.


http://blog.aprs.fi/2011/01/position-ambiguity-support.html

http://www.aprs.org/symbols.html
  (APRSdos used circles for ambiguity)


On Fri, Feb 21, 2020 at 10:05:16AM -0600, we recorded a bogon-computron collision of the <billbird at cal.berkeley.edu> flavor, containing:
> Hi,
> 
> In the St. Louis, MO area I see from time to time on my Xastir map (rf only)
> a very large rectangle (more than 50 miles in North/South direction) with an
> X on the station AC0MW-7.?? The X goes from corner to corner of the
> rectangle.?? The X and the rectangle are made of dashes.?? I have been using
> APRS since APRSdos and continue to enjoy it.?? The current Xastir map is
> shown on my website, www.billbird.com.?? I've tried to discover the answer
> on my own but have not been able to.
> 
> Thanks and 73,
> 
> Bill Bird
> KG0YJ
> _______________________________________________
> Xastir mailing list
> Xastir at lists.xastir.org
> http://xastir.org/mailman/listinfo/xastir

-- 
Tom Russo    KM5VY
Tijeras, NM  

 echo "prpv_a'rfg_cnf_har_cvcr" | sed -e 's/_/ /g' | tr [a-m][n-z] [n-z][a-m]



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