anchor.diff:  MQZG,GeoNet,GNS,TRIMBLE NETR9,GPS+GLO,30s,3,linz,trimble_netr9 x4,2011-02-09T23:48:01Z,2015-08-18T17:25:00Z
   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,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,linz,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
   MTJO,GeoNet,GNS,TRIMBLE NETRS,GPS,30s,4,sagenz,trimble_5700 x4,2004-06-05T03:00:00Z,2011-02-07T22:33:00Z
   MTJO,GeoNet,GNS,TRIMBLE NETR9,GPS+GLO,30s,3,linz,trimble_netr9 x4,2011-02-08T00:00:01Z,2015-04-21T18:59:10Z
  -MTJO,GeoNet,GNS,TRIMBLE NETR9,GPS+GLO,30s,0,linz,trimble_netr9 x4,2015-04-21T18:59:11Z,2015-09-20T15:25:00Z
  -MTJO,GeoNet,GNS,TRIMBLE NETR9,GPS+GLO+GAL+BDS+QZSS,30s,0,linz,trimble_netr9 x4,2015-09-20T15:25:01Z,9999-01-01T00:00:00Z
  +MTJO,GeoNet,GNS,TRIMBLE NETR9,GPS+GLO,30s,0,linz,trimble_netr9 x4,2015-04-21T18:59:11Z,2015-06-10T00:00:00Z
  +MTJO,GeoNet,GNS,TRIMBLE NETR9,GPS+GLO+GAL+BDS+QZSS,30s,0,linz,trimble_netr9 x4,2015-06-10T00:00:01Z,9999-01-01T00:00:00Z
   MTPR,GeoNet,GNS,TRIMBLE NETRS,GPS,30s,4,geonet,trimble_5700 x4,2010-01-27T01:21:01Z,2015-05-27T23:43:58Z
   MTPR,GeoNet,GNS,TRIMBLE NETR9,GPS+GLO,30s,0,geonet,trimble_netr9 x4,2015-05-27T23:44:00Z,9999-01-01T00:00:00Z
   MTQN,GeoNet,GNS,TRIMBLE NETRS,GPS,30s,4,geonet,trimble_5700 x4,2010-02-09T00:00:11Z,2016-06-07T00:30:00Z
  
positive.code: HAMT,GeoNet,GNS,TRIMBLE NETRS,GPS,30s,4,linz,trimble_5700 x4,2007-06-11T03:45:02Z,2009-08-17T13:00:00Z
  HAMT,GeoNet,GNS,TRIMBLE NETRS,GPS,30s,4,geonet,trimble_5700 x4,2009-09-01T02:09:30Z,2011-01-24T00:33:00Z
  HAMT,GeoNet,GNS,TRIMBLE NETR9,GPS+GLO,30s,3,geonet,trimble_netr9 x4,2011-01-24T01:45:00Z,2015-08-13T15:25:00Z
  HAMT,GeoNet,GNS,TRIMBLE NETR9,GPS+GLO,30s,0,linz,trimble_netr9 x4,2015-08-13T15:25:01Z,9999-01-01T00:00:00Z
  HANA,GeoNet,GNS,TRIMBLE NETRS,GPS,30s,4,geonet,trimble_5700 x4,2007-08-05T05:59:00Z,2012-05-30T00:00:01Z
  HANA,GeoNet,GNS,TRIMBLE NETR9,GPS+GLO,30s,3,geonet,trimble_netr9 x4,2012-06-01T00:00:01Z,2016-04-27T01:49:16Z
  HANA,GeoNet,GNS,TRIMBLE NETR9,GPS+GLO,30s,0,geonet,trimble_netr9 x4,2016-04-27T01:49:17Z,9999-01-01T00:00:00Z
  
negative.code: 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,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
  