anchor.diff:  KORO,GeoNet,GNS,TRIMBLE NETR9,GPS+GLO,30s,0,geonet,trimble_netr9 x4,2015-09-10T00:00:01Z,9999-01-01T00:00:00Z
   KTIA,GeoNet,GNS,TRIMBLE NETRS,GPS,30s,4,linz,trimble_5700 x4,2007-10-24T01:10:00Z,2010-11-23T00:00:00Z
   KTIA,GeoNet,GNS,TRIMBLE NETR9,GPS+GLO,30s,3,linz,trimble_netr9 x4,2010-11-23T00:35:00Z,2015-08-11T17:25:00Z
  -KTIA,GeoNet,GNS,TRIMBLE NETR9,GPS+GLO,30s,0,linz,trimble_netr9 x4,2015-08-11T17:25:01Z,9999-01-01T00:00:00Z
  +KTIA,GeoNet,GNS,TRIMBLE NETR9,GPS+GLO,30s,0,linz,trimble_netr9 x4,2015-08-11T17:25:01Z,2016-07-26T17:03:00Z
  +KTIA,GeoNet,GNS,TRIMBLE NETR9,GPS+GLO+GAL+BDS+QZSS,30s,0,linz,trimble_netr9 x4,2016-07-26T17:03:01Z,9999-01-01T00:00:00Z
   KUTA,GeoNet,GNS,TRIMBLE NETRS,GPS,30s,4,geonet,trimble_5700 x4,2010-04-07T00:01:01Z,2017-05-03T00:35:31Z
   KUTA,GeoNet,GNS,TRIMBLE NETR9,GPS+GLO,30s,0,geonet,trimble_netr9 x4,2017-05-03T00:35:32Z,9999-01-01T00:00:00Z
   LDRZ,GeoNet,GNS,TRIMBLE NETR9,GPS+GLO,30s,3,geonet,trimble_netr9 x4,2012-06-01T00:00:01Z,9999-01-01T00:00:00Z
  
positive.code: WPUK,GeoNet,GNS,TRIMBLE NETR9,GPS+GLO,30s,0,geonet,trimble_netr9 x4,2016-12-15T04:20:58Z,9999-01-01T00:00:00Z
  WRA1,GeoNet,GNS,TRIMBLE NETR9,GPS+GLO,30s,0,geonet,trimble_netr9 x4,2016-11-15T23:43:29Z,2017-05-27T23:59:00Z
  WRAU,GeoNet,GNS,TRIMBLE NETR9,GPS+GLO,30s,0,geonet,trimble_netr9 x4,2017-04-18T03:06:59Z,9999-01-01T00:00:00Z
  WRPA,GeoNet,GNS,TRIMBLE NETR9,GPS+GLO,30s,0,linz,trimble_netr9 x4,2016-01-10T20:15:06Z,9999-01-01T00:00:00Z
  YALD,GeoNet,GNS,TRIMBLE NETR9,GPS+GLO,30s,3,geonet,trimble_netr9 x4,2014-09-16T21:00:01Z,2014-12-16T00:00:00Z
  YALD,GeoNet,GNS,TRIMBLE NETR9,GPS+GLO,30s,0,geonet,trimble_netr9 x4,2014-12-17T01:46:34Z,9999-01-01T00:00:00Z
  
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
  