In the real world, some VOR stations and even some localizers
have a colocated DME station ... but there are plenty that
don't.

The DME has its own Morse ident, with a distinctive higher pitch.

In the simulator, due to a bug in the code, all stations
transmit the DME Morse ident ... even stations where no
DME is present.

The code in navradio.dxx finds the nearest VOR or LOC on the
frequency, and checks to see if it is in range.  It also asks
for the "nearest" DME on the frequency, but makes no attempt
to check that it is in range.  Since there is almost always
a DME /somewhere/ on the frequency, the has_dme variable will
always be set true.

===========================

I hereby offer to write the code to fix this ... but only
if somebody asks me to.

On several occasions in the past I have sent in patches
to solve specific problems, but in all cases such contributions
have been ignored.  Consider for example my patch to hsi.xml.
Nobody said "good patch, let's commit" or "bad patch, try again"
or even responded to my HSI bug report in any way.

I'm new to this community, so please allow me to ask some
questions about the culture and customs, and about bugs
and patches in particular:
  -- What are people supposed to do when they find a bug?
  -- Is it considered rude to submit a patch?
  -- Is there a bug tracker somewhere?  I wasn't able to find one.
  -- Are we supposed to take seriously the list on the wiki site?
      http://wiki.flightgear.org/flightgear_wiki/index.php?title=Bugs
     It doesn't seem to be very complete.
  -- Anything else that folks ought to know?


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