anchor.diff:  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
  +RGAR,GeoNet,GNS,TRIMBLE NETR9,GPS+GLO,30s,0,geonet,trimble_netr9 x4,2016-09-21T02:25:08Z,2018-05-10T00:46:00Z
  +RGAR,GeoNet,GNS,TRIMBLE NETR9,GPS+GLO+GAL+BDS+QZSS,30s,0,geonet,trimble_netr9 x4,2018-05-10T00:46:01Z,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
  
positive.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,9999-01-01T00:00:00Z
  
negative.code: MQZG,GeoNet,GNS,TRIMBLE NETR9,GPS+GLO,30s,0,linz,trimble_netr9 x4,2015-08-18T17:25:01Z,2016-06-27T17:14:09Z
  MQZG,GeoNet,GNS,TRIMBLE NETR9,GPS+GLO+GAL+BDS+QZSS,30s,0,linz,trimble_netr9 x4,2016-06-27T17:14:10Z,9999-01-01T00:00:00Z
  MRBL,GeoNet,GNS,TRIMBLE NETR9,GPS+GLO,30s,0,geonet,trimble_netr9 x4,2014-07-02T02:05:38Z,2016-09-12T01:00:00Z
  MRBL,GeoNet,GNS,TRIMBLE NETR9,GPS+GLO+GAL+BDS+QZSS,30s,0,geonet,trimble_netr9 x4,2016-09-12T01:00:01Z,9999-01-01T00:00:00Z
  MTBL,GeoNet,GNS,TRIMBLE NETRS,GPS,30s,4,geonet,trimble_5700 x4,2008-03-11T07:01:00Z,2015-07-24T01:05:57Z
  MTBL,GeoNet,GNS,TRIMBLE NETR9,GPS+GLO,30s,0,geonet,trimble_netr9 x4,2015-07-24T01:05:59Z,9999-01-01T00:00:00Z
  MTJO,GeoNet,GNS,TRIMBLE 4000SSI,GPS,30s,4,sagenz,trimble_r x19,2000-08-15T00:00:00Z,2004-06-05T02:00:00Z
  