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Copyright 2010 by AirNav Systems
How does this work?
The RadarBox D008.dat (AirNav RadarBox 2009/Data directory) file contains the aircraft Mode S
allocations plus wild cards in the form:
UK,United Kingdom,010000------------------
where UK represents a UK.BMP flag in the Data/Flags directory
Below: A section of the D008.dat file opened with Windows Notepad
United Kingdom is the description
and 010000------------------ is the 24 character Mode S Binary version of the 6 character Hex code
(with wildcards for the) UK.
All UK Mode S codes start with Bin 010000 (a sweeping generalization, but you get the idea!)
When RadarBox detects a Mode S Binary 010000 then it shows the UK.BMP in the aircraft list.
However, British Military aircraft codes are a block within UK allocation, starting with 0100001111, so
a line in the D008.dat as follows, will "trap" these:
RA,RAF,0100001111--------------
and now codes starting with this will show the RA.BMP flag - . Putting the 2 lines together you can
see how it works.
RA,RAF,0100001111--------------
UK,United Kingdom,010000------------------
The same principle applies to the US military codes, but as there are more allocations, it's a bit more
complicated: