anchor.diff:  WSRZ,30,White Island - Summit,3,1,2013-04-07T16:00:00Z,9999-01-01T00:00:00Z
   WSRZ,31,White Island - Summit,4,1,2014-11-19T13:00:00Z,9999-01-01T00:00:00Z
   WSRZ,32,White Island - Summit,5,1,2014-11-19T13:00:00Z,9999-01-01T00:00:00Z
  -WTAZ,10,Auckland Beca House,2,1,2001-03-22T15:39:00Z,2006-12-12T13:20:00Z
   WTAZ,10,Waiatarua,0,1,2006-12-12T13:20:01Z,9999-01-01T00:00:00Z
   WTSZ,10,Whataroa DFDP2 Whataroa River Valley (WTSZ),0,3,2014-06-22T12:00:05Z,9999-01-01T00:00:00Z
   WTVZ,10,West Tongariro,0,3,2004-03-04T10:00:00Z,9999-01-01T00:00:00Z
  
positive.code: WI14,10,White Island 14,0,3,2011-06-12T12:00:02Z,2011-11-22T11:00:00Z
  WI15,10,White Island 15,0,3,2011-06-12T12:00:02Z,2011-11-22T11:00:00Z
  WIAZ,10,Waiheke Station,0,3,2010-07-26T15:15:00Z,9999-01-01T00:00:00Z
  WIZ,10,Rotorua Hinemoa Tower (old Trustbank building),1,1,1988-11-15T18:00:00Z,1989-03-06T02:00:00Z
  WIZ,10,Rotorua Hinemoa Tower (old Trustbank building),5,1,1993-08-24T02:01:00Z,2006-08-18T13:00:01Z
  WIZ,10,White Island - South Rim,0,1,2006-09-18T12:00:01Z,2007-04-18T15:00:00Z
  WIZ,10,White Island - South Rim,3,3,2007-04-18T16:00:00Z,9999-01-01T00:00:00Z
  WIZ,30,White Island - South Rim,0,1,2006-09-18T12:00:01Z,2007-04-18T15:00:00Z
  
negative.code: MAHO,10,Mahinerangi,0,3,2014-03-13T11:01:00Z,2014-09-10T12:00:00Z
  MANO,10,Manorburn,0,3,2014-09-15T12:01:00Z,2015-04-13T10:00:00Z
  MARZ,10,Manawahe,0,1,2005-11-22T11:00:00Z,9999-01-01T00:00:00Z
  MAVZ,10,Matarangi,0,3,2012-05-21T14:00:00Z,2015-01-08T11:00:00Z
  MAVZ,10,Matarangi,3,3,2015-01-08T11:00:01Z,9999-01-01T00:00:00Z
  MAVZ,11,Matarangi,0,3,2008-02-06T12:30:00Z,2008-03-05T12:00:00Z
  