anchor.diff:  TINT,GeoNet,GNS,TRIMBLE NETR9,GPS+GLO,30s,0,geonet,trimble_netr9 x4,2016-09-01T01:48:28Z,9999-01-01T00:00:00Z
   TKAR,GeoNet,GNS,TRIMBLE NETRS,GPS,30s,4,geonet,trimble_5700 x4,2010-06-03T04:59:30Z,2014-07-23T23:39:00Z
   TKAR,GeoNet,GNS,TRIMBLE NETR9,GPS+GLO,30s,0,geonet,trimble_netr9 x4,2014-07-23T23:47:38Z,9999-01-01T00:00:00Z
  -TKHL,GeoNet,GNS,TRIMBLE NETR9,GPS+GLO,30s,0,geonet,trimble_netr9 x4,2014-06-18T00:00:20Z,9999-01-01T00:00:00Z
  +TKHL,GeoNet,GNS,TRIMBLE NETR9,GPS+GLO,30s,0,geonet,trimble_netr9 x4,2014-06-18T00:00:20Z,2016-09-12T00:06:00Z
  +TKHL,GeoNet,GNS,TRIMBLE NETR9,GPS+GLO+GAL+BDS+QZSS,30s,0,linz,trimble_netr9 x4,2016-09-12T00:06:01Z,9999-01-01T00:00:00Z
   TORY,GeoNet,GNS,TRIMBLE NETRS,GPS,30s,4,geonet,trimble_5700 x4,2005-04-20T05:00:00Z,2017-07-17T23:51:58Z
   TORY,GeoNet,GNS,TRIMBLE NETR9,GPS+GLO,30s,0,geonet,trimble_netr9 x4,2017-07-17T23:51:59Z,9999-01-01T00:00:00Z
   TRAV,GeoNet,GNS,TRIMBLE NETRS,GPS,30s,4,geonet,trimble_5700 x4,2005-06-23T00:00:00Z,9999-01-01T00:00:00Z
   TRNG,GeoNet,GNS,TRIMBLE 5700,GPS,30s,4,linz,trimble_5700 x5,2003-02-17T23:59:00Z,2004-05-26T19:00:00Z
   TRNG,GeoNet,GNS,TRIMBLE NETRS,GPS,30s,4,linz,trimble_5700 x4,2004-05-27T00:00:00Z,2010-12-06T23:24:59Z
   TRNG,GeoNet,GNS,TRIMBLE NETR9,GPS+GLO,30s,3,linz,trimble_netr9 x4,2010-12-07T01:34:00Z,2015-08-18T15:25:00Z
  -TRNG,GeoNet,GNS,TRIMBLE NETR9,GPS+GLO,30s,0,linz,trimble_netr9 x4,2015-08-18T15:25:01Z,9999-01-01T00:00:00Z
  +TRNG,GeoNet,GNS,TRIMBLE NETR9,GPS+GLO,30s,0,linz,trimble_netr9 x4,2015-08-18T15:25:01Z,2016-06-29T22:32:00Z
  +TRNG,GeoNet,GNS,TRIMBLE NETR9,GPS+GLO+GAL+BDS+QZSS,30s,0,linz,trimble_netr9 x4,2016-06-29T22:32:01Z,9999-01-01T00:00:00Z
   TRWH,GeoNet,GNS,TRIMBLE NETR9,GPS+GLO,30s,3,geonet,trimble_netr9 x4,2010-12-02T02:33:27Z,2014-10-01T21:30:00Z
   TRWH,GeoNet,GNS,TRIMBLE NETR9,GPS+GLO,30s,0,geonet,trimble_netr9 x4,2014-10-01T21:31:00Z,9999-01-01T00:00:00Z
   TURI,GeoNet,GNS,TRIMBLE NETR9,GPS+GLO,30s,3,geonet,trimble_netr9 x4,2011-08-31T23:28:06Z,2015-11-16T19:56:00Z
  
positive.code: MAHI,GeoNet,GNS,TRIMBLE NETR9,GPS+GLO,30s,0,geonet,trimble_netr9 x4,2017-10-26T00:57:14Z,9999-01-01T00:00:00Z
  MAHO,GeoNet,GNS,TRIMBLE NETRS,GPS,30s,4,linz,trimble_5700 x4,2004-02-03T00:00:00Z,2011-01-11T01:25:00Z
  MAHO,GeoNet,GNS,TRIMBLE NETR9,GPS+GLO,30s,3,linz,trimble_netr9 x4,2011-01-11T02:45:40Z,2015-07-30T17:25:00Z
  MAHO,GeoNet,GNS,TRIMBLE NETR9,GPS+GLO,30s,0,linz,trimble_netr9 x4,2015-07-30T17:25:01Z,9999-01-01T00:00:00Z
  MAKO,GeoNet,GNS,TRIMBLE NETR9,GPS+GLO,30s,3,geonet,trimble_netr9 x4,2010-11-09T21:35:01Z,2016-01-06T20:42:20Z
  MAKO,GeoNet,GNS,TRIMBLE NETR9,GPS+GLO,30s,0,geonet,trimble_netr9 x4,2016-01-06T20:42:21Z,9999-01-01T00:00:00Z
  MANG,GeoNet,GNS,TRIMBLE NETRS,GPS,30s,4,geonet,trimble_5700 x4,2005-02-11T00:55:13Z,2015-09-30T01:24:36Z
  
negative.code: TAUP,GeoNet,GNS,TRIMBLE 5700,GPS,30s,4,linz,trimble_5700 x5,2002-03-22T00:00:00Z,2004-01-29T00:00:01Z
  TAUP,GeoNet,GNS,TRIMBLE NETRS,GPS,30s,4,linz,trimble_5700 x4,2004-01-29T00:01:00Z,2010-12-01T22:27:00Z
  TAUP,GeoNet,GNS,TRIMBLE NETR9,GPS+GLO,30s,3,linz,trimble_netr9 x4,2010-12-01T22:28:21Z,2015-08-19T17:25:00Z
  TAUP,GeoNet,GNS,TRIMBLE NETR9,GPS+GLO,30s,0,linz,trimble_netr9 x4,2015-08-19T17:25:01Z,2016-07-04T01:10:29Z
  TAUP,GeoNet,GNS,TRIMBLE NETR9,GPS+GLO+GAL+BDS+QZSS,30s,0,linz,trimble_netr9 x4,2016-07-04T01:10:30Z,9999-01-01T00:00:00Z
  TAUW,GeoNet,GNS,TRIMBLE NETRS,GPS,30s,4,geonet,trimble_5700 x4,2009-08-19T03:40:30Z,2011-03-27T21:25:00Z
  TAUW,GeoNet,GNS,TRIMBLE NETR9,GPS+GLO,30s,3,geonet,trimble_netr9 x4,2011-03-27T21:28:45Z,2016-04-27T21:29:58Z
  TAUW,GeoNet,GNS,TRIMBLE NETR9,GPS+GLO,30s,0,geonet,trimble_netr9 x4,2016-04-27T21:29:59Z,9999-01-01T00:00:00Z
  