anchor.diff:  ",656,"F",15238,630,387,2016-06-03 11:11:00,2024-06-07 21:11:00,51.28661459,3.55570793,"Waterland-Oudeman | Tracker reused from L143467."
   "MH_WATERLAND","Waterland","Circus aeruginosus","Western Marsh Harrier",1224,"L143472","-","Ben",571,"M",15162,6058,782,2016-05-02 12:58:00,9999-12-31 00:00:00,51.27180977,3.6843574,"Waterland-Oudeman"
   "MH_WATERLAND","Waterland","Circus aeruginosus","Western Marsh Harrier",1276,"L143473","-","Walter",485,"M",15211,6059,841,2016-06-01 13:36:00,9999-12-31 00:00:00,51.28639987,3.5556221,"Waterland-Oudeman"
  -,,"Larus fuscus","Lesser Black-backed Gull",1778,"L915090","49",,949,"M",,,,,,,,
  -,,"Larus fuscus","Lesser Black-backed Gull",1777,"5508363","BD",,808,"F",,,,,,,,
  -,,"Larus fuscus","Lesser Black-backed Gull",1780,"L926492","DVON",,1069,"M",,,,,,,,
  -,,"Larus fuscus","Lesser Black-backed Gull",1779,"L901819","DKOK",,978,"M",,,,,,,,
  -,,"Larus fuscus","Lesser Black-backed Gull",1781,"L926494","DROS",,959,"M",,,,,,,,
  
positive.code: "LBBG_ZEEBRUGGE","Zeebrugge","Larus fuscus","Lesser Black-backed Gull",1618,"5519662","K2","Iris",601,"F",15555,5539,11845,2017-06-05 12:00:00,2025-08-25 10:44:00,51.43907825,3.70787427,"Vlissingen"
  "LBBG_ZEEBRUGGE","Zeebrugge","Larus fuscus","Lesser Black-backed Gull",1608,"5509702","5E","Coco",885,"F",15551,5540,11846,2017-05-23 12:00:00,2025-08-24 10:55:00,51.43934576,3.70753095,"Vlissingen"
  "LBBG_ZEEBRUGGE","Zeebrugge","Larus fuscus","Lesser Black-backed Gull",1605,"5501123","EG","Aurelie",829,"F",15537,5542,11847,2017-05-19 12:00:00,2025-08-24 09:40:00,51.43923876,3.70744512,"Vlissingen"
  "LBBG_ZEEBRUGGE","Zeebrugge","Larus fuscus","Lesser Black-backed Gull",1612,"5519709","HR","Mike",999,"M",15548,5543,11848,2017-05-23 12:00:00,2025-08-24 10:52:00,51.43907825,3.70761678,"Vlissingen"
  "LBBG_ZEEBRUGGE","Zeebrugge","Larus fuscus","Lesser Black-backed Gull",1616,"L925751","AXOB","Tamara",831,"F",15545,5544,11849,2017-05-31 12:00:00,2025-08-24 10:47:00,51.34517066,3.17311924,"Bus, Zeebrugge"
  "LBBG_ZEEBRUGGE","Zeebrugge","Larus fuscus","Lesser Black-backed Gull",1606,"5423625","NE","Sergio",802,"M",15536,5545,11850,2017-05-19 12:00:00,2025-08-24 09:36:00,51.43933093,3.70729746,"Vlissingen"
  "LBBG_ZEEBRUGGE","Zeebrugge","Larus fuscus","Lesser Black-backed Gull",1624,"L917359","BCOG","Diederik",940,"M",15547,5546,11851,2017-06-12 12:00:00,2025-08-24 10:51:00,51.34763675,3.17260426,"Kleine Vlakte, Zeebrugge | No or few tracking data within track session."
  "LBBG_ZEEBRUGGE","Zeebrugge","Larus fuscus","Lesser Black-backed Gull",1770,"5543131","4=",,903,"M",15682,5547,11852,2018-05-24 12:00:00,2025-06-12 09:54:00,51.44736094,3.69672775,"Vlissingen"
  "LBBG_ZEEBRUGGE","Zeebrugge","Larus fuscus","Lesser Black-backed Gull",1621,"L925728","ZFOT","Els",716,"F",15539,5548,11853,2017-06-07 12:00:00,2025-08-24 09:49:00,51.34747592,3.17277592,"Kleine Vlakte, Zeebrugge"
  "LBBG_ZEEBRUGGE","Zeebrugge","Larus fuscus","Lesser Black-backed Gull",1619,"5509720","56","Fiona",677,"F",15541,5549,11854,2017-06-05 12:00:00,2025-08-24 10:21:00,51.44918906,3.689764,"Vlissingen"
  "LBBG_ZEEBRUGGE","Zeebrugge","Larus fuscus","Lesser Black-backed Gull",1610,"5519750","H2","Raissa",802,"F",15540,5550,11855,2017-05-23 12:00:00,2025-08-24 09:50:00,51.43913175,3.70778844,"Vlissingen"
  "LBBG_ZEEBRUGGE","Zeebrugge","Larus fuscus","Lesser Black-backed Gull",1767,"5543129","42",,821,"M",15685,5707,12024,2018-05-24 12:00:00,2026-06-12 10:20:00,51.45471558,3.68578434,"Vlissingen"
  "LBBG_ZEEBRUGGE","Zeebrugge","Larus fuscus","Lesser Black-backed Gull",1768,"5508292","42",,741,"F",15683,5713,12025,2018-05-24 12:00:00,2025-06-12 09:55:00,51.45444147,3.68617058,"Vlissingen"
  "LBBG_ZEEBRUGGE","Zeebrugge","Larus fuscus","Lesser Black-backed Gull",1774,"5543138","47",,825,"M",15690,5714,12026,2018-05-29 12:00:00,2025-06-12 10:33:00,51.4495006,3.68938923,"Vlissingen"
  "LBBG_ZEEBRUGGE","Zeebrugge","Larus fuscus","Lesser Black-backed Gull",1766,"5543128","5G",,689,"F",15684,5716,12027,2018-05-22 12:00:00,2026-06-12 09:58:00,51.44774876,3.69670105,"Vlissingen"
  "LBBG_ZEEBRUGGE","Zeebrugge","Larus fuscus","Lesser Black-backed Gull",1769,"5543130","43",,911,"M",15686,5718,12028,2018-05-24 12:00:00,2025-06-12 10:21:00,51.44761503,3.69694233,"Vlissingen"
  "LBBG_ZEEBRUGGE","Zeebrugge","Larus fuscus","Lesser Black-backed Gull",1776,"L907268","HKAX",,927,"M",15691,5719,12029,2018-05-31 12:00:00,2025-06-12 10:35:00,51.34813163,3.17290306,
  "LBBG_ZEEBRUGGE","Zeebrugge","Larus fuscus","Lesser Black-backed Gull",1775,"L926488","DROD",,664,"F",15692,5720,12030,2018-05-31 12:00:00,2025-06-12 10:36:00,51.34826566,3.17311764,
  "LBBG_ZEEBRUGGE","Zeebrugge","Larus fuscus","Lesser Black-backed Gull",1772,"5543134","45",,929,"M",15688,5721,12031,2018-05-24 12:00:00,2025-06-12 10:31:00,51.44750805,3.69647026,"Vlissingen"
  "LBBG_ZEEBRUGGE","Zeebrugge","Larus fuscus","Lesser Black-backed Gull",1771,"5543133","44",,945,"M",15687,5723,12032,2018-05-24 12:00:00,2025-06-12 10:30:00,51.45454175,3.68634224,"Vlissingen"
  "LBBG_ZEEBRUGGE","Zeebrugge","Larus fuscus","Lesser Black-backed Gull",1773,"5543137","46",,735,"F",15689,5724,12033,2018-05-29 12:00:00,2025-06-12 10:32:00,51.44752142,3.69655609,"Vlissingen"
  "MH_WATERLAND","Waterland","Circus aeruginosus","Western Marsh Harrier",686,"H173481","-","Mia",785,"F",546,586,184,2013-05-16 19:55:00,9999-12-31 00:00:00,51.276078,3.59748,"Waterland-Oudeman"
  "MH_WATERLAND","Waterland","Circus aeruginosus","Western Marsh Harrier",701,"L143451","-","Jozef",512,"M",547,610,467,2013-06-24 10:00:00,9999-12-31 00:00:00,51.276213,3.59542,"Waterland-Oudeman"
  "MH_WATERLAND","Waterland","Circus aeruginosus","Western Marsh Harrier",702,"L143457","-","Peter",482,"M",548,623,570,2013-07-22 10:30:00,9999-12-31 00:00:00,51.270609,3.59295,"Waterland-Oudeman"
  
negative.code: "H_GRONINGEN",,"Circus aeruginosus","Western Marsh Harrier",158,"5336455","NA","Kjell",540,"M",1469,634,585,2014-06-04 21:50:00,9999-12-31 00:00:00,53.295407,6.991777,"Kjell"
  "H_GRONINGEN",,"Circus aeruginosus","Western Marsh Harrier",836,"5325667","NA","Roelof",504,"M",14770,6064,844,2014-07-04 15:00:00,2021-08-27 16:21:00,53.26933247,6.98776603,"Roelof"
  "H_GRONINGEN",,"Circus aeruginosus","Western Marsh Harrier",1321,"5327085","NA","Job",513,"M",15254,6065,879,2016-06-18 07:46:00,2024-06-20 16:13:00,53.231376,7.131125,"Job"
  "LBBG_ZEEBRUGGE","Zeebrugge","Larus fuscus","Lesser Black-backed Gull",706,"L904812","URAL","Kees",869,"M",524,703,468,2013-05-30 00:00:00,9999-12-31 00:00:00,51.339311,3.17913,"APM Terminals, Zeebrugge | Poor tracker functioning after bird removed antenna."
  "LBBG_ZEEBRUGGE","Zeebrugge","Larus fuscus","Lesser Black-backed Gull",717,"L907450","UMAD","Billie",749,"F",525,712,466,2013-06-03 00:00:00,9999-12-31 00:00:00,51.339311,3.17913,"APM Terminals, Zeebrugge"
  "LBBG_ZEEBRUGGE","Zeebrugge","Larus fuscus","Lesser Black-backed Gull",715,"L907322","UMAT","Harry",978,"M",526,719,312,2013-06-04 00:00:00,9999-12-31 00:00:00,51.339311,3.17913,"APM Terminals, Zeebrugge"
  "LBBG_ZEEBRUGGE","Zeebrugge","Larus fuscus","Lesser Black-backed Gull",708,"L906623","UBAS","Marc",887,"M",527,744,456,2013-05-30 00:00:00,2013-06-27 00:00:00,51.339311,3.17913,"APM Terminals, Zeebrugge | Poor tracker functioning after bird removed antenna. Predated by fox."
  "LBBG_ZEEBRUGGE","Zeebrugge","Larus fuscus","Lesser Black-backed Gull",716,"L907407","USAT","Joke",712,"F",528,753,319,2013-06-10 00:00:00,2016-06-16 00:00:00,51.339311,3.17913,"APM Terminals, Zeebrugge | Dead."
  "LBBG_ZEEBRUGGE","Zeebrugge","Larus fuscus","Lesser Black-backed Gull",704,"L902124","UBAR","Wouter",974,"M",529,755,320,2013-05-31 00:00:00,9999-12-31 00:00:00,51.339311,3.17913,"APM Terminals, Zeebrugge | Poor tracker functioning after bird removed antenna."
  "LBBG_ZEEBRUGGE","Zeebrugge","Larus fuscus","Lesser Black-backed Gull",719,"L909213","UPAK","Chloe",792,"F",530,830,451,2013-05-30 00:00:00,9999-12-31 00:00:00,51.339311,3.17913,"APM Terminals, Zeebrugge | Poor tracker functioning after bird removed antenna."
  "LBBG_ZEEBRUGGE","Zeebrugge","Larus fuscus","Lesser Black-backed Gull",722,"L909887","USAS","Sanne",668,"F",531,833,452,2013-06-10 00:00:00,9999-12-31 00:00:00,51.339311,3.17913,"APM Terminals, Zeebrugge"
  "LBBG_ZEEBRUGGE","Zeebrugge","Larus fuscus","Lesser Black-backed Gull",707,"L906543","UPAV","Jozsa",711,"F",532,847,453,2013-05-31 00:00:00,9999-12-31 00:00:00,51.339311,3.17913,"APM Terminals, Zeebrugge | Poor tracker functioning after bird removed antenna."
  "LBBG_ZEEBRUGGE","Zeebrugge","Larus fuscus","Lesser Black-backed Gull",703,"L901266","UDAC","Hilbran",1064,"M",533,849,683,2013-06-03 00:00:00,9999-12-31 00:00:00,51.339311,3.17913,"APM Terminals, Zeebrugge"
  "LBBG_ZEEBRUGGE","Zeebrugge","Larus fuscus","Lesser Black-backed Gull",714,"L907172","URAM","Eric",918,"M",534,851,454,2013-05-28 00:00:00,9999-12-31 00:00:00,51.339311,3.17913,"APM Terminals, Zeebrugge"
  "LBBG_ZEEBRUGGE","Zeebrugge","Larus fuscus","Lesser Black-backed Gull",718,"L909197","UBAU","Misja",957,"M",535,852,719,2013-06-04 00:00:00,9999-12-31 00:00:00,51.339311,3.17913,"APM Terminals, Zeebrugge"
  "LBBG_ZEEBRUGGE","Zeebrugge","Larus fuscus","Lesser Black-backed Gull",705,"L902130","UPAC","Michelle",788,"F",536,853,865,2013-06-11 00:00:00,9999-12-31 00:00:00,51.339311,3.17913,"APM Terminals, Zeebrugge"
  "LBBG_ZEEBRUGGE","Zeebrugge","Larus fuscus","Lesser Black-backed Gull",723,"L916710","UDAR","Kate",734,"F",537,854,684,2013-06-04 00:00:00,9999-12-31 00:00:00,51.339311,3.17913,"APM Terminals, Zeebrugge"
  "LBBG_ZEEBRUGGE","Zeebrugge","Larus fuscus","Lesser Black-backed Gull",712,"L907004","UDAD","Jasmin",752,"F",538,858,455,2013-05-28 00:00:00,9999-12-31 00:00:00,51.339311,3.17913,"APM Terminals, Zeebrugge"
  "LBBG_ZEEBRUGGE","Zeebrugge","Larus fuscus","Lesser Black-backed Gull",721,"L909877","UMAF","Marieke",746,"F",539,860,693,2013-06-11 00:00:00,9999-12-31 00:00:00,51.339311,3.17913,"APM Terminals, Zeebrugge"
  "LBBG_ZEEBRUGGE","Zeebrugge","Larus fuscus","Lesser Black-backed Gull",711,"L906682","URAK","Hans",0,"M",540,861,695,2013-05-29 00:00:00,9999-12-31 00:00:00,51.339311,3.17913,"APM Terminals, Zeebrugge"
  "LBBG_ZEEBRUGGE","Zeebrugge","Larus fuscus","Lesser Black-backed Gull",710,"L906646","UAAM","Viki",837,"F",541,862,699,2013-06-10 00:00:00,9999-12-31 00:00:00,51.339311,3.17913,"APM Terminals, Zeebrugge"
  "LBBG_ZEEBRUGGE","Zeebrugge","Larus fuscus","Lesser Black-backed Gull",720,"L909681","UAAA","Lies",707,"F",542,863,700,2013-06-04 00:00:00,9999-12-31 00:00:00,51.339311,3.17913,"APM Terminals, Zeebrugge"
  "LBBG_ZEEBRUGGE","Zeebrugge","Larus fuscus","Lesser Black-backed Gull",709,"L906644","UAAN","Nico",833,"M",543,864,705,2013-06-03 00:00:00,9999-12-31 00:00:00,51.339311,3.17913,"APM Terminals, Zeebrugge | Poor tracker functioning after bird removed antenna."
  "LBBG_ZEEBRUGGE","Zeebrugge","Larus fuscus","Lesser Black-backed Gull",153,"5331094 ARNHEM","UPAG","Alex",862,"M",544,865,706,2013-06-12 00:00:00,9999-12-31 00:00:00,51.339311,3.17913,"APM Terminals, Zeebrugge | No or few tracking data within track session."
  "LBBG_ZEEBRUGGE","Zeebrugge","Larus fuscus","Lesser Black-backed Gull",713,"L907016","UCAX","Jules",1017,"M",545,866,707,2013-06-12 00:00:00,9999-12-31 00:00:00,51.339311,3.17913,"APM Terminals, Zeebrugge"
  "LBBG_ZEEBRUGGE","Zeebrugge","Larus fuscus","Lesser Black-backed Gull",803,"L909346","RZAS","Jeroen",1011,"M",14721,1400,867,2014-06-12 00:00:00,2022-08-01 00:00:00,51.339311,3.17913,"Kleine Vlakte, Zeebrugge"
  "LBBG_ZEEBRUGGE","Zeebrugge","Larus fuscus","Lesser Black-backed Gull",798,"L909341","PGAC","Yolandi",730,"F",14722,1401,784,2014-06-10 00:00:00,2022-08-01 00:00:00,51.339311,3.17913,"Kleine Vlakte, Zeebrugge"
  "LBBG_ZEEBRUGGE","Zeebrugge","Larus fuscus","Lesser Black-backed Gull",799,"L906110","PGAW","Katrien",843,"F",14723,1402,785,2014-06-11 00:00:00,2022-08-01 00:00:00,51.339311,3.17913,"Kleine Vlakte, Zeebrugge"
  