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

[Gerry Creager - NOAA Affiliate]

I never saw Bill's original post, either. And Xastir posts have priority in
my work email config!

gc

On Fri, Feb 21, 2020 at 11:28 AM David A Aitcheson <
david.aitcheson at gmail.com> wrote:

> Curt,
>
> I also saw Tom's response first. I looked in my spam folder on Gmail;
> the original and another Xastir related message from Bill had been
> flagged as spam.
>
> I have noticed this as a trend ever since Microsoft bought up Github...
> makes me wonder.
>
> 73
> Dave
> KB3EFS
>
>
>
> On 2/21/20 12:21 PM, Curt Mills wrote:
> > I didn't see the original message come across the list, only Tom's
> response.
> >
> > You can turn off display of such rectangles here:
> >
> > Station -> Filter Display -> Display Position Ambiguity
> >
> > On Fri, Feb 21, 2020 at 8:08 AM Tom Russo <russo at bogodyn.org> wrote:
> >> 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]
> >>
> >> _______________________________________________
> >> Xastir mailing list
> >> Xastir at lists.xastir.org
> >> http://xastir.org/mailman/listinfo/xastir
> >
> >
>
> _______________________________________________
> Xastir mailing list
> Xastir at lists.xastir.org
> http://xastir.org/mailman/listinfo/xastir
>


-- 
Gerry Creager
NSSL/CIMMS
405.325.6371
++++++++++++++++++++++
*The way to get started is to quit talking and begin doing.*
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