anchor.diff:  Trimble Navigation Ltd.,TRIMBLE NETR9,5308K42011,5.10,2016-04-27T00:50:47Z,2016-08-16T05:17:44Z,
   Trimble Navigation Ltd.,TRIMBLE NETR9,5308K42011,5.14,2016-08-16T05:17:45Z,2016-12-20T05:33:58Z,
   Trimble Navigation Ltd.,TRIMBLE NETR9,5308K42011,5.15,2016-12-20T05:33:59Z,2017-06-20T01:36:02Z,
  -Trimble Navigation Ltd.,TRIMBLE NETR9,5308K42011,5.22,2017-06-20T01:36:03Z,9999-01-01T00:00:00Z,enable GPS-L5
  +Trimble Navigation Ltd.,TRIMBLE NETR9,5308K42011,5.22,2017-06-20T01:36:03Z,2020-08-20T03:00:38Z,enable GPS-L5
  +Trimble Navigation Ltd.,TRIMBLE NETR9,5308K42011,5.45,2020-08-20T03:00:39Z,9999-01-01T00:00:00Z,
   Trimble Navigation Ltd.,TRIMBLE NETR9,5308K42013,default,2013-05-15T00:00:00Z,2014-02-24T23:59:59Z,
   Trimble Navigation Ltd.,TRIMBLE NETR9,5308K42013,4.62,2014-02-25T00:00:00Z,2016-04-27T23:13:44Z,
   Trimble Navigation Ltd.,TRIMBLE NETR9,5308K42013,5.10,2016-04-27T23:13:45Z,2016-08-21T03:48:09Z,
   Trimble Navigation Ltd.,TRIMBLE NETR9,5308K42013,5.14,2016-08-21T03:48:10Z,2016-12-20T14:29:53Z,
   Trimble Navigation Ltd.,TRIMBLE NETR9,5308K42013,5.15,2016-12-20T14:29:54Z,2017-06-20T16:01:58Z,
  -Trimble Navigation Ltd.,TRIMBLE NETR9,5308K42013,5.22,2017-06-20T16:01:59Z,9999-01-01T00:00:00Z,enable GPS-L5
  +Trimble Navigation Ltd.,TRIMBLE NETR9,5308K42013,5.22,2017-06-20T16:01:59Z,2020-08-20T03:13:33Z,enable GPS-L5
  +Trimble Navigation Ltd.,TRIMBLE NETR9,5308K42013,5.45,2020-08-20T03:13:34Z,9999-01-01T00:00:00Z,
   Trimble Navigation Ltd.,TRIMBLE NETR9,5444R50018,4.81,2015-04-01T00:00:00Z,2015-07-23T01:31:30Z,
   Trimble Navigation Ltd.,TRIMBLE NETR9,5444R50018,4.85,2015-07-23T01:31:36Z,2016-05-05T22:23:36Z,
   Trimble Navigation Ltd.,TRIMBLE NETR9,5444R50018,5.10,2016-05-05T22:23:37Z,2016-08-14T19:25:26Z,
   Trimble Navigation Ltd.,TRIMBLE NETR9,5444R50018,5.14,2016-08-14T19:25:27Z,2016-12-19T22:53:44Z,
   Trimble Navigation Ltd.,TRIMBLE NETR9,5444R50018,5.15,2016-12-19T22:53:45Z,2017-06-19T05:02:49Z,
  -Trimble Navigation Ltd.,TRIMBLE NETR9,5444R50018,5.22,2017-06-19T05:02:50Z,9999-01-01T00:00:00Z,enable GPS-L5
  +Trimble Navigation Ltd.,TRIMBLE NETR9,5444R50018,5.22,2017-06-19T05:02:50Z,2020-08-20T03:27:40Z,enable GPS-L5
  +Trimble Navigation Ltd.,TRIMBLE NETR9,5444R50018,5.45,2020-08-20T03:27:41Z,9999-01-01T00:00:00Z,
   Trimble Navigation Ltd.,TRIMBLE NETR9,5444R50036,4.81,2015-04-01T00:00:00Z,2015-07-24T01:05:57Z,
   Trimble Navigation Ltd.,TRIMBLE NETR9,5444R50036,4.85,2015-07-24T01:05:59Z,2016-05-08T21:36:47Z,
   Trimble Navigation Ltd.,TRIMBLE NETR9,5444R50036,5.10,2016-05-08T21:36:48Z,2016-07-24T23:04:23Z,
   Trimble Navigation Ltd.,TRIMBLE NETR9,5444R50036,5.14,2016-07-24T23:04:24Z,2016-12-19T03:43:34Z,
   Trimble Navigation Ltd.,TRIMBLE NETR9,5444R50036,5.15,2016-12-19T03:43:35Z,2017-06-16T04:41:26Z,
  -Trimble Navigation Ltd.,TRIMBLE NETR9,5444R50036,5.22,2017-06-16T04:41:27Z,9999-01-01T00:00:00Z,enable GPS-L5
  +Trimble Navigation Ltd.,TRIMBLE NETR9,5444R50036,5.22,2017-06-16T04:41:27Z,2020-08-24T21:36:41Z,enable GPS-L5
  +Trimble Navigation Ltd.,TRIMBLE NETR9,5444R50036,5.45,2020-08-24T21:36:42Z,9999-01-01T00:00:00Z,
   Trimble Navigation Ltd.,TRIMBLE NETR9,5444R50040,4.81,2015-04-01T00:00:00Z,2015-09-17T17:25:00Z,
   Trimble Navigation Ltd.,TRIMBLE NETR9,5444R50040,4.85,2015-09-17T17:25:01Z,2016-04-18T17:15:23Z,
   Trimble Navigation Ltd.,TRIMBLE NETR9,5444R50040,5.10,2016-04-18T17:15:24Z,2016-09-19T09:01:30Z,
  
positive.code: Trimble Navigation Ltd.,TRIMBLE NETR9,5215K84097,5.10,2016-04-11T02:56:20Z,2016-08-21T02:03:07Z,
  Trimble Navigation Ltd.,TRIMBLE NETR9,5215K84097,5.14,2016-08-21T02:03:08Z,2016-12-20T12:12:46Z,
  Trimble Navigation Ltd.,TRIMBLE NETR9,5215K84097,5.15,2016-12-20T12:12:47Z,2017-06-20T13:23:11Z,
  Trimble Navigation Ltd.,TRIMBLE NETR9,5215K84097,5.22,2017-06-20T13:23:12Z,9999-01-01T00:00:00Z,enable GPS-L5
  Trimble Navigation Ltd.,TRIMBLE NETR9,5215K84098,4.43,2012-06-20T00:00:00Z,2013-12-16T03:29:00Z,
  Trimble Navigation Ltd.,TRIMBLE NETR9,5215K84098,4.46,2013-12-16T03:30:00Z,2016-03-14T00:25:55Z,
  Trimble Navigation Ltd.,TRIMBLE NETR9,5215K84098,5.10,2016-03-14T00:25:56Z,2016-08-21T07:02:53Z,
  
negative.code: Trimble Navigation Ltd.,TRIMBLE NETR9,5505R50158,5.10,2016-05-08T22:12:56Z,2016-08-15T05:29:16Z,
  Trimble Navigation Ltd.,TRIMBLE NETR9,5505R50158,5.14,2016-08-15T05:29:17Z,2016-12-20T02:54:32Z,
  Trimble Navigation Ltd.,TRIMBLE NETR9,5505R50158,5.15,2016-12-20T02:54:33Z,2017-06-19T23:27:19Z,
  Trimble Navigation Ltd.,TRIMBLE NETR9,5505R50158,5.22,2017-06-19T23:27:20Z,2020-09-01T07:50:02Z,enable GPS-L5
  Trimble Navigation Ltd.,TRIMBLE NETR9,5505R50158,5.45,2020-09-01T07:50:03Z,9999-01-01T00:00:00Z,
  Trimble Navigation Ltd.,TRIMBLE NETR9,5505R50159,4.93,2015-07-23T00:00:00Z,2017-04-24T22:00:00Z,
  Trimble Navigation Ltd.,TRIMBLE NETR9,5505R50159,5.14,2017-04-24T22:00:01Z,2017-04-27T23:21:22Z,
  Trimble Navigation Ltd.,TRIMBLE NETR9,5505R50159,5.15,2017-04-27T23:21:23Z,2017-06-20T15:40:51Z,
  Trimble Navigation Ltd.,TRIMBLE NETR9,5505R50159,5.22,2017-06-20T15:40:52Z,2020-09-01T08:03:04Z,enable GPS-L5
  Trimble Navigation Ltd.,TRIMBLE NETR9,5505R50159,5.45,2020-09-01T08:03:05Z,9999-01-01T00:00:00Z,
  Trimble Navigation Ltd.,TRIMBLE NETR9,5505R50160,4.93,2015-07-23T00:00:00Z,2018-04-19T05:23:01Z,
  Trimble Navigation Ltd.,TRIMBLE NETR9,5505R50160,5.22,2018-04-19T05:23:02Z,2020-09-01T08:15:13Z,enable GPS-L5
  Trimble Navigation Ltd.,TRIMBLE NETR9,5505R50160,5.45,2020-09-01T08:15:14Z,9999-01-01T00:00:00Z,
  Trimble Navigation Ltd.,TRIMBLE NETR9,5505R50161,4.93,2015-07-23T00:00:00Z,2016-11-16T00:00:00Z,
  Trimble Navigation Ltd.,TRIMBLE NETR9,5505R50161,5.14,2016-11-16T00:00:01Z,2017-02-23T02:45:16Z,
  Trimble Navigation Ltd.,TRIMBLE NETR9,5505R50161,5.15,2017-02-23T02:45:17Z,2017-06-26T03:31:28Z,
  Trimble Navigation Ltd.,TRIMBLE NETR9,5505R50161,5.22,2017-06-26T03:31:29Z,2020-09-01T07:37:23Z,enable GPS-L5
  Trimble Navigation Ltd.,TRIMBLE NETR9,5505R50161,5.45,2020-09-01T07:37:24Z,9999-01-01T00:00:00Z,
  Trimble Navigation Ltd.,TRIMBLE NETR9,5505R50162,4.93,2015-07-23T00:00:00Z,2015-07-23T00:00:01Z,
  Trimble Navigation Ltd.,TRIMBLE NETR9,5505R50162,4.85,2015-07-23T00:00:02Z,2016-05-09T01:27:35Z,
  Trimble Navigation Ltd.,TRIMBLE NETR9,5505R50162,5.10,2016-05-09T01:27:36Z,2016-08-16T05:12:09Z,
  