anchor.diff:  APUS,SX,Arapuni Dam,-38.081802501,175.639267213,119,WGS84,2004-08-15T00:00:00Z,2015-06-30T23:59:59Z
   APZ,NZ,The Paps,-46.83180552,167.988825498,601,WGS84,2006-05-07T00:00:00Z,9999-01-01T00:00:00Z
   ARA,NZ,Arapuni,-38.071522316,175.643487302,65,WGS84,1930-07-01T00:00:00Z,1972-10-31T00:00:00Z
  -ARAZ,NX,Aratiatia Landcorp Farm,-38.62769,176.12006,420,NZGD2000,2007-05-20T23:00:00Z,9999-01-01T00:00:00Z
  +ARAZ,TP,Aratiatia Landcorp Farm,-38.62769,176.12006,420,NZGD2000,2007-05-20T23:00:00Z,9999-01-01T00:00:00Z
   ARC01,XX,Ambury_Farm,-36.944801643,174.758481561,9999,WGS84,2010-01-01T00:00:00Z,9999-01-01T00:00:00Z
   ARC02,XX,Ihumatao_Farm,-36.99049868,174.749585413,9999,WGS84,2010-01-01T00:00:00Z,9999-01-01T00:00:00Z
   ARC03,XX,Pt_England_Farm,-36.88019889,174.874175311,9999,WGS84,2010-01-01T00:00:00Z,9999-01-01T00:00:00Z
  
positive.code: THOB,SB,Te Horo House,-40.789402441,175.092971338,4,NZGD2000,2011-01-01T00:00:00Z,9999-01-01T00:00:00Z
  THP,PK,Tara Hills,-44.543356232,169.888085075,760,WGS84,1975-06-18T00:00:00Z,1984-01-22T00:00:00Z
  THPS,SM,Taihape Primary School,-39.676764656,175.801403316,435,WGS84,2001-11-27T00:00:00Z,2005-02-07T00:00:00Z
  THQ2,NX,Tauhara North,-38.6684,176.1698,450,NZGD2000,2012-12-18T00:00:00Z,9999-01-01T00:00:00Z
  THZ,NZ,Top House,-41.762474128,172.905218304,747,WGS84,1989-12-02T00:00:00Z,9999-01-01T00:00:00Z
  TIKO,XX,Tikorangi,-34.529956633,172.864667557,143,WGS84,2002-08-28T19:48:00Z,2003-01-20T09:54:00Z
  TIM,XX,Timaru,-44.415056658,171.250103704,9999,WGS84,1888-01-01T00:00:00Z,1900-12-31T00:00:00Z
  
negative.code: PNRS,SM,Palmerston North Roslyn School,-40.33027,175.6337,34,WGS84,2012-04-12T00:00:00Z,9999-01-01T00:00:00Z
  POHC,XX,Pohokura,-38.983742084,176.543895017,659,WGS84,2001-01-13T04:01:00Z,2001-06-26T15:55:00Z
  POIC,XX,Poihipi,-38.630733964,176.034390036,572,WGS84,2001-01-01T00:00:00Z,2001-02-24T23:00:00Z
  POIZ,TP,Poihipi,-38.63056396,176.034230034,598,WGS84,2001-02-24T00:00:00Z,9999-01-01T00:00:00Z
  POKS,SM,Katoa Kindergarten,-41.12495,174.83151,23,WGS84,2011-10-03T00:00:00Z,9999-01-01T00:00:00Z
  POLA,XX,Poulter River,-43.045522778,171.903119335,519,WGS84,1995-11-26T00:00:00Z,1996-04-18T00:00:00Z
  POLS,SM,Porirua Library,-41.131394252,174.839095549,7,WGS84,2001-10-16T00:00:00Z,9999-01-01T00:00:00Z
  