anchor.diff:  LBBG_ZEEBRUGGE,Zeebrugge,Larus fuscus,Lesser Black-backed Gull,1111,L907132,83 (b),Lora,0,F,15048,5069,961,2015-05-30T12:00:00Z,2022-06-05T10:50:00Z,51.44934765,3.68978485,VLIS_THER
   LBBG_ZEEBRUGGE,Zeebrugge,Larus fuscus,Lesser Black-backed Gull,714,L907172,URAM,Eric,918,M,534,851,454,2013-05-28T00:00:00Z,9999-12-31T00:00:00Z,51.339311,3.17913,ZEEB_APM
   LBBG_ZEEBRUGGE,Zeebrugge,Larus fuscus,Lesser Black-backed Gull,1077,L907235,7K (b),Elinn,810,F,15013,5138,11183,2015-05-22T21:30:00Z,2022-05-23T09:22:00Z,51.44934765,3.68978485,VLIS_THER
  -LBBG_ZEEBRUGGE,Zeebrugge,Larus fuscus,Lesser Black-backed Gull,807,L907253,RWAF,Jos,855,M,14738,5067,11189,2014-06-16T00:00:00Z,2022-08-01T00:00:00Z,51.339311,3.17913,ZEEB_KLVL | No or few tracking data within track session.
  +LBBG_ZEEBRUGGE,Zeebrugge,Larus fuscus,Lesser Black-backed Gull,807,L907253,RWAF,Jos,855,M,14738,5067,11189,2014-06-16T00:00:00Z,2022-08-01T00:00:00Z,51.339311,3.17913,ZEEB_KLVL | Very few tracking data within track session.
   LBBG_ZEEBRUGGE,Zeebrugge,Larus fuscus,Lesser Black-backed Gull,792,L907257,PGAR,Ronnie,881,M,14730,4050,1041,2014-06-10T00:00:00Z,2022-08-01T00:00:00Z,51.339311,3.17913,ZEEB_KLVL
   LBBG_ZEEBRUGGE,Zeebrugge,Larus fuscus,Lesser Black-backed Gull,1776,L907268,HKAX,Rune,927,M,15691,5719,12029,2018-05-31T12:00:00Z,2025-06-12T10:35:00Z,51.34813163,3.17290306,ZEEB_KLVL
   LBBG_ZEEBRUGGE,Zeebrugge,Larus fuscus,Lesser Black-backed Gull,715,L907322,UMAT,Harry,978,M,526,719,312,2013-06-04T00:00:00Z,9999-12-31T00:00:00Z,51.339311,3.17913,ZEEB_APM
  
positive.code: LBBG_ZEEBRUGGE,Zeebrugge,Larus fuscus,Lesser Black-backed Gull,722,L909887,USAS,Sanne,668,F,531,833,452,2013-06-10T00:00:00Z,9999-12-31T00:00:00Z,51.339311,3.17913,ZEEB_APM
  LBBG_ZEEBRUGGE,Zeebrugge,Larus fuscus,Lesser Black-backed Gull,806,L909937,RXAD,Ella,837,F,14736,5063,955,2014-06-16T00:00:00Z,2022-08-01T00:00:00Z,51.339311,3.17913,ZEEB_KLVL
  LBBG_ZEEBRUGGE,Zeebrugge,Larus fuscus,Lesser Black-backed Gull,1357,L909972,ALOX,Carrie,699,F,15288,5304,11416,2016-06-01T12:00:00Z,2024-07-15T11:39:00Z,51.34878164,3.1733501,ZEEB_KLVL
  LBBG_ZEEBRUGGE,Zeebrugge,Larus fuscus,Lesser Black-backed Gull,1359,L909974,AHOG,Bernadette,805,F,15272,5326,11437,2016-06-01T12:00:00Z,2024-06-24T10:08:00Z,51.34878164,3.1733501,ZEEB_KLVL | No or few tracking data within track session.
  LBBG_ZEEBRUGGE,Zeebrugge,Larus fuscus,Lesser Black-backed Gull,1270,L910332,91 (b),Fernand,883,M,15204,5315,11529,2016-05-20T12:00:00Z,2024-05-22T14:53:00Z,51.43924273,3.70772124,VLIS_EPZ
  LBBG_ZEEBRUGGE,Zeebrugge,Larus fuscus,Lesser Black-backed Gull,1265,L910466,5N (g),Chris,797,X,15199,5201,11264,2016-05-19T12:00:00Z,2016-05-28T00:00:00Z,51.43924273,3.70772124,VLIS_EPZ | Dead. Tracker reused for 5509730.
  LBBG_ZEEBRUGGE,Zeebrugge,Larus fuscus,Lesser Black-backed Gull,801,L910935,RZAT,Steven,955,M,14724,4040,1035,2014-06-12T00:00:00Z,2022-08-01T00:00:00Z,51.339311,3.17913,ZEEB_KLVL
  
negative.code: LBBG_ZEEBRUGGE,Zeebrugge,Larus fuscus,Lesser Black-backed Gull,1126,L916311,RSAM,Kaat,0,F,15062,5179,11318,2015-06-03T13:00:00Z,2022-06-09T13:56:00Z,51.34928421,3.17416906,ZEEB_KLVL
  LBBG_ZEEBRUGGE,Zeebrugge,Larus fuscus,Lesser Black-backed Gull,723,L916710,UDAR,Kate,734,F,537,854,684,2013-06-04T00:00:00Z,9999-12-31T00:00:00Z,51.339311,3.17913,ZEEB_APM
  LBBG_ZEEBRUGGE,Zeebrugge,Larus fuscus,Lesser Black-backed Gull,1346,L916856,7C,Orval,854,M,15273,5300,11414,2016-06-07T12:00:00Z,2024-06-24T10:09:00Z,51.44898701,3.68968072,VLIS_THER
  LBBG_ZEEBRUGGE,Zeebrugge,Larus fuscus,Lesser Black-backed Gull,1624,L917359,BCOG,Diederik,940,M,15547,5546,11851,2017-06-12T12:00:00Z,2025-08-24T10:51:00Z,51.34763675,3.17260426,ZEEB_KLVL | No tracking data within track session.
  LBBG_ZEEBRUGGE,Zeebrugge,Larus fuscus,Lesser Black-backed Gull,1132,L917800,8+ (b),Frank,879,M,15064,5198,11261,2015-06-05T14:00:00Z,2022-06-09T13:59:00Z,51.44934765,3.68978485,VLIS_THER
  LBBG_ZEEBRUGGE,Zeebrugge,Larus fuscus,Lesser Black-backed Gull,1348,L920598,RUAB,Lena,767,F,15306,1519,11419,2016-05-26T12:00:00Z,2024-07-26T11:17:00Z,51.34878164,3.1733501,ZEEB_KLVL
  LBBG_ZEEBRUGGE,Zeebrugge,Larus fuscus,Lesser Black-backed Gull,1380,L920599,RUAW,Renee,730,F,15300,5335,11467,2016-05-25T12:00:00Z,2024-07-25T13:38:00Z,51.23292344,2.93118801,OOST_MIJN
  