anchor.diff:  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,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
  +TKHL,GeoNet,GNS,TRIMBLE NETR9,GPS+GLO+GAL+BDS+QZSS,30s,0,geonet,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,2018-06-22T00:52:37Z
  
positive.code: RDLV,GeoNet,GNS,TRIMBLE NETRS,GPS,30s,4,geonet,trimble_5700 x4,2009-01-13T01:00:00Z,2016-02-02T21:32:05Z
  RDLV,GeoNet,GNS,TRIMBLE NETR9,GPS+GLO,30s,0,geonet,trimble_netr9 x4,2016-02-02T21:32:07Z,9999-01-01T00:00:00Z
  RGAR,GeoNet,GNS,TRIMBLE NETRS,GPS,30s,4,geonet,trimble_5700 x4,2007-11-07T02:30:03Z,2016-09-21T02:25:06Z
  RGAR,GeoNet,GNS,TRIMBLE NETR9,GPS+GLO,30s,0,geonet,trimble_netr9 x4,2016-09-21T02:25:08Z,9999-01-01T00:00:00Z
  RGAW,GeoNet,GNS,TRIMBLE NETRS,GPS,30s,4,geonet,trimble_5700 x4,2009-03-24T02:00:00Z,2015-09-16T02:52:36Z
  RGAW,GeoNet,GNS,TRIMBLE NETR9,GPS+GLO,30s,0,geonet,trimble_netr9 x4,2015-09-16T02:52:38Z,9999-01-01T00:00:00Z
  RGCR,GeoNet,GNS,TRIMBLE NETRS,GPS,30s,4,geonet,trimble_5700 x4,2007-02-13T00:30:00Z,2011-08-29T23:42:00Z
  
negative.code: WRPA,GeoNet,GNS,TRIMBLE NETR9,GPS+GLO,30s,0,linz,trimble_netr9 x4,2016-01-10T20:15:06Z,2016-03-17T00:03:29Z
  WRPA,GeoNet,GNS,TRIMBLE NETR9,GPS+GLO+GAL+BDS+QZSS,30s,0,linz,trimble_netr9 x4,2016-03-17T00:03:30Z,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,2018-05-09T00:17:29Z
  YALD,GeoNet,GNS,TRIMBLE NETR9,GPS+GLO+GAL+BDS+QZSS,30s,0,geonet,trimble_netr9 x4,2018-05-09T00:17:30Z,9999-01-01T00:00:00Z
  