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,1606,5423625,NE,Sergio,802,M,15536,5545,11850,2017-05-19T12:00:00Z,2025-08-24T09:36:00Z,51.43933093,3.70729746,VLIS_EPZ
  LBBG_ZEEBRUGGE,Zeebrugge,Larus fuscus,Lesser Black-backed Gull,1269,5423642,N1 (w),Paco,843,M,15203,5222,11278,2016-05-20T12:00:00Z,2024-05-22T14:53:00Z,51.43924273,3.70772124,VLIS_EPZ
  LBBG_ZEEBRUGGE,Zeebrugge,Larus fuscus,Lesser Black-backed Gull,1339,5424410,E4 (z),Rinse,903,M,15310,5273,11324,2016-05-24T12:00:00Z,2024-07-26T11:22:00Z,51.43924273,3.70772124,VLIS_EPZ
  LBBG_ZEEBRUGGE,Zeebrugge,Larus fuscus,Lesser Black-backed Gull,1345,5465451,CB (o),Fay,696,F,15307,5338,11470,2016-05-31T12:00:00Z,2024-07-26T11:20:00Z,51.43924273,3.70772124,VLIS_EPZ | Tracker reused from L911116. No tracking data within track session.
  LBBG_ZEEBRUGGE,Zeebrugge,Larus fuscus,Lesser Black-backed Gull,1263,5468062,6= (o),Noah,706,M,15197,5202,11265,2016-05-19T12:00:00Z,2024-05-22T14:46:00Z,51.43924273,3.70772124,VLIS_EPZ
  LBBG_ZEEBRUGGE,Zeebrugge,Larus fuscus,Lesser Black-backed Gull,1605,5501123,EG,Aurelie,829,F,15537,5542,11847,2017-05-19T12:00:00Z,2025-08-24T09:40:00Z,51.43923876,3.70744512,VLIS_EPZ
  LBBG_ZEEBRUGGE,Zeebrugge,Larus fuscus,Lesser Black-backed Gull,1267,5501141,E2 (z),Jorn,877,M,15201,5325,11436,2016-05-20T12:00:00Z,2024-05-22T14:52:00Z,51.43924273,3.70772124,VLIS_EPZ
  