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Mlat synthetic message detection.

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Notice synthetic mlat messages by looking for messages with a magic
timestamp value. If they arrive, tag the derived data as mlat-derived.

Don't include mlat-derived output in FATSV output to avoid loops.
This commit is contained in:
Oliver Jowett 2015-06-28 20:04:09 +01:00
parent 8f08c1b87f
commit 12a7d45e75
6 changed files with 33 additions and 7 deletions
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dump1090.h
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@ -160,6 +160,7 @@ typedef struct rtlsdr_dev rtlsdr_dev_t;
#define MODES_ACFLAGS_LATLON_REL_OK (1<<15) // Indicates it's OK to do a relative CPR
#define MODES_ACFLAGS_REL_CPR_USED (1<<16) // Lat/lon derived from relative CPR
#define MODES_ACFLAGS_CATEGORY_VALID (1<<17) // Aircraft category is known
#define MODES_ACFLAGS_FROM_MLAT (1<<18) // Data was derived from multilateration
#define MODES_ACFLAGS_LLEITHER_VALID (MODES_ACFLAGS_LLEVEN_VALID | MODES_ACFLAGS_LLODD_VALID)
#define MODES_ACFLAGS_LLBOTH_VALID (MODES_ACFLAGS_LLEVEN_VALID | MODES_ACFLAGS_LLODD_VALID)