{ "self": "urn:mrn:signalk:uuid:c0d79334-4e25-4245-8892-54e8ccc8021d", "version": "0.9.0", "vessels": { "urn:mrn:signalk:uuid:c0d79334-4e25-4245-8892-54e8ccc8021d": { "uuid": "urn:mrn:signalk:uuid:c0d79334-4e25-4245-8892-54e8ccc8021d", "navigation": { "courseOverGroundTrue": { "value": 3.615624078431440, "$source": "ttyUSB0.GP", "timestamp": "2017-04-03T06:14:04.451Z", "values":{ "ttyUSB0.GP.RMC":{ "value": 3.615624078431440, "timestamp": "2017-04-03T06:14:04.451Z" }, "n2k.ikommunicate.128267":{ "value": 3.615624078431453, "timestamp": "2017-04-03T06:14:04.451Z" } } } } } } }