anchor.diff:  BB1,10,"Mount Joyce, David Glacier, Antarctica",,,2003-11-13T00:00:01Z,2004-01-22T00:00:00Z
   BB2,10,"Hughes Bluff, David Glacier, Antarctica",,,2003-11-17T00:00:00Z,2004-01-22T00:00:00Z
   BB4,10,"Trio, David Glacier, Antarctica",,,2003-11-14T00:00:00Z,2004-01-21T00:00:00Z
  -BBCX,10,Breaker Bay Cliff,,,2015-03-24T00:10:00Z,9999-01-01T00:00:00Z
  -BBCX,20,Breaker Bay Cliff,,,2015-03-31T00:00:00Z,9999-01-01T00:00:00Z
  +BBCX,10,Breaker Bay Cliff,,0,2015-03-24T00:10:00Z,9999-01-01T00:00:00Z
  +BBCX,20,Breaker Bay Cliff,,3,2015-03-31T00:00:00Z,9999-01-01T00:00:00Z
   BBE,10,Sinclair Castle,Short Period,,1991-01-30T22:08:00Z,1991-02-04T22:02:00Z
   BBNN,10,Bluff Hill,Short Period,,1994-04-15T09:01:00Z,1994-05-16T15:38:00Z
   BCE,10,Braida Crags,Short Period,,1989-06-05T07:12:00Z,1989-06-19T17:30:00Z
  -BCKZ,30,Raoul Island Boat Cove,,,2009-05-18T01:00:00Z,9999-01-01T00:00:00Z
  +BCKZ,30,Raoul Island Boat Cove,,3,2009-05-18T01:00:00Z,9999-01-01T00:00:00Z
   BCOF,10,North of Bare Cone,Portable,,2007-10-17T22:20:02Z,2007-11-27T22:00:00Z
   BCZ,10,Braida Crags,Short Period,,1990-05-28T11:33:00Z,1993-07-16T15:59:00Z
   BDAF,10,Bend Point,Short Period,,1993-08-15T01:00:00Z,1993-08-17T07:03:00Z
   BDPF,10,Bend Point,Short Period,,1993-03-19T23:49:00Z,1993-06-25T07:28:00Z
   BEAA,10,Bealy Hotel,Short Period,,1994-06-19T06:48:00Z,1994-06-20T21:26:00Z
  -BFZ,10,Birch Farm,,,2003-07-30T05:00:00Z,9999-01-01T00:00:00Z
  +BFZ,10,Birch Farm,,0,2003-07-30T05:00:00Z,9999-01-01T00:00:00Z
   BFZ,10,Birch Farm,Short Period,,1996-04-03T16:10:00Z,2003-06-12T13:03:00Z
  -BFZ,20,Birch Farm,,,2003-07-30T05:00:00Z,9999-01-01T00:00:00Z
  +BFZ,20,Birch Farm,,3,2003-07-30T05:00:00Z,9999-01-01T00:00:00Z
   BGLC,10,Bouguer Low,Short Period,,2001-01-18T06:17:00Z,2001-07-04T07:12:00Z
   BHHZ,10,Black Hill Station,,,2008-06-12T00:00:01Z,2019-01-09T00:00:00Z
   BHHZ,10,Black Hill Station,,,2020-02-12T22:04:00Z,9999-01-01T00:00:00Z
   BHW,10,Baring Head,,,2003-06-14T10:00:00Z,9999-01-01T00:00:00Z
   BHW,14,Baring Head,,,2003-06-14T10:00:00Z,2003-09-13T01:00:00Z
  -BKZ,10,Black Stump Farm,,,2004-02-11T02:00:00Z,9999-01-01T00:00:00Z
  -BKZ,20,Black Stump Farm,,,2004-02-11T02:00:00Z,2021-10-20T01:05:00Z
  +BKZ,10,Black Stump Farm,,0,2004-02-11T02:00:00Z,9999-01-01T00:00:00Z
  +BKZ,20,Black Stump Farm,,3,2004-02-11T02:00:00Z,2021-10-20T01:05:00Z
   BLAA,10,Blackball,Short Period,,1995-11-11T00:00:01Z,1996-04-21T23:59:59Z
   BLTA,10,Blue Lookout Tarn,Short Period,,1994-01-27T08:04:00Z,1994-04-22T19:58:00Z
   BLUC,10,Bluff Hill,Short Period,,2001-01-12T08:57:00Z,2001-06-26T15:50:00Z
  
positive.code: WQSZ,10,Whataroa DFDP2 Quarry,,,2014-06-23T00:00:05Z,9999-01-01T00:00:00Z
  WRAV,10,Wairua,Short Period,,1995-01-13T10:42:00Z,1998-04-05T21:40:00Z
  WROM,10,White Rock,Short Period,,1993-11-04T10:07:00Z,1994-03-06T14:25:00Z
  WSRZ,10,White Island - Summit,,,2013-04-08T04:00:00Z,9999-01-01T00:00:00Z
  WSRZ,30,White Island - Summit,,,2013-04-08T04:00:00Z,9999-01-01T00:00:00Z
  WSRZ,31,White Island - Summit,,,2014-11-20T02:00:00Z,2018-05-28T21:00:00Z
  WSRZ,32,White Island - Summit,,,2014-11-20T02:00:00Z,2018-05-28T21:00:00Z
  WSRZ,33,White Island - Summit,,,2018-05-28T22:15:00Z,9999-01-01T00:00:00Z
  WSRZ,34,White Island - Summit,,,2018-05-28T22:15:00Z,9999-01-01T00:00:00Z
  WTA,10,Waitahora,Short Period,,1990-02-19T21:40:00Z,1990-05-17T20:29:00Z
  WTAC,10,Waitaha,Short Period,,2001-01-12T08:37:00Z,2001-06-26T19:07:00Z
  WTAZ,10,Waiatarua,,,2006-12-13T02:20:01Z,2022-05-17T01:32:00Z
  
negative.code: CSWC,10,White Bluffs Solar Site with Comms,,,2013-07-24T05:05:00Z,2013-11-19T10:00:00Z
  CSWS,20,White Bluffs strong-motion,,,2013-07-23T05:20:10Z,2013-11-19T10:00:00Z
  CTND,10,Courtenay,Portable,,2010-09-05T01:35:02Z,2010-09-29T00:00:00Z
  CTZ,10,Wharekauri,,0,2007-12-15T07:00:00Z,2021-11-23T03:00:00Z
  CTZ,10,Wharekauri,Broadband,,2021-11-24T19:37:00Z,9999-01-01T00:00:00Z
  CTZ,20,Wharekauri,,3,2007-12-15T07:00:00Z,2021-11-23T03:00:00Z
  CTZ,20,Wharekauri,Strong Motion,,2021-11-24T19:37:00Z,9999-01-01T00:00:00Z
  CVZ,10,Cave West Timaru,,,2014-05-16T00:00:15Z,9999-01-01T00:00:00Z
  DAGG,10,Dagg Sound,Portable,,2009-07-17T02:08:00Z,2009-09-14T21:34:00Z
  DCE,10,Deep Cove,Short Period,,1989-06-03T02:49:00Z,1989-06-09T18:00:00Z
  DCVF,10,Duck Cove,Short Period,,1993-03-22T04:51:00Z,1993-06-19T07:27:00Z
  DCZ,10,Deep Cove,,0,2005-07-23T00:00:00Z,9999-01-01T00:00:00Z
  DCZ,20,Deep Cove,,3,2005-07-23T00:00:00Z,2015-10-22T00:00:00Z
  DCZ,20,Deep Cove,Strong Motion,,2015-10-22T05:00:01Z,2021-08-09T21:08:00Z
  DIW,11,Victoria University,EARSS Network,,2003-12-10T00:00:00Z,2004-06-08T01:00:00Z
  DKCV,10,Duck Cove,Portable,,2009-07-16T22:47:00Z,2009-09-15T06:13:00Z
  DKRV,10,Dunkirk Road,Short Period,,1995-01-10T09:13:00Z,1995-06-04T10:05:00Z
  DOUA,10,Double Hill,Short Period,,1994-06-20T00:47:00Z,1994-06-29T07:49:00Z
  DREZ,10,Durham Road,,,2008-03-04T21:00:00Z,9999-01-01T00:00:00Z
  DRZ,10,Dome Shelter,,,2004-06-15T23:00:00Z,2017-11-01T01:09:00Z
  DRZ,11,Chateau Observatory,Telemetry,,2004-06-15T23:00:00Z,2010-11-23T00:00:00Z
  DSZ,10,Denniston North,,0,1998-10-15T00:00:00Z,9999-01-01T00:00:00Z
  DSZ,10,Denniston North,Short Period,,1990-02-20T16:19:00Z,1998-09-23T00:04:00Z
  DSZ,20,Denniston North,,3,1998-10-15T00:00:00Z,2016-11-09T23:00:00Z
  DUNX,10,Duncan Road,Portable,,2006-07-24T01:00:01Z,2006-08-17T05:00:00Z
  DUVC,10,Duvauchelle,Portable,,2011-02-27T23:15:29Z,2011-10-19T00:22:44Z
  DUWZ,10,D'Urville Island,,0,2003-12-10T00:00:00Z,9999-01-01T00:00:00Z
  DUWZ,20,D'Urville Island,,3,2011-02-24T00:00:05Z,9999-01-01T00:00:00Z
  DVHZ,10,Pukeatua Road,,,2008-01-14T02:15:00Z,9999-01-01T00:00:00Z
  EAZ,10,Earnscleugh,,0,2004-11-01T00:00:00Z,9999-01-01T00:00:00Z
  EAZ,20,Earnscleugh,,3,2004-11-01T00:00:00Z,2022-03-03T21:37:00Z
  EDRZ,10,Mount Edgecumbe,,,2006-02-16T00:00:01Z,9999-01-01T00:00:00Z
  ELAC,10,Eland,Short Period,,2001-01-10T22:16:00Z,2001-06-26T15:50:00Z
  ELDF,10,South of Mount Elder,Portable,,2007-10-17T21:00:02Z,2007-11-27T22:00:00Z
  