{
	"vessel": {
		"name"	: "Volare",
		"brand"	: "Friendship",
		"type"	: "22",
		"uuid"	: "urn:mrn:signalk:uuid:c0d79334-4e25-4245-8892-54e8ccc8021d",
		
		"dimensions": {
			"length": 7,
			"width": 2.5,
			"mast": 10,
			"depthTransducer": 0.5,
			"keel": 1.5 
		}
	},

  "mdns": false,

	"interfaces": {
    "bower": true,
    "rest": true,
    "ws": true
  },
  
  "pipedProviders": [{
    "id": "n2kFromFile",
    "pipeElements": [
       {
         "type": "providers/gpsd"
       },
       {
          "type": "providers/nmea0183-signalk",
          "optionMappings": [
            {
             "fromAppProperty": "selfId",
             "toOption": "selfId"
            },
            {
             "fromAppProperty": "selfType",
             "toOption": "selfType"
            }
          ]
       }               
    ]
  }]
}
{
	"vessel": {
		"name"	: "Volare",
		"brand"	: "Friendship",
		"type"	: "22",
		"uuid"	: "urn:mrn:signalk:uuid:c0d79334-4e25-4245-8892-54e8ccc8021d",

		"dimensions": {
			"length": 7,
			"width": 2.5,
			"mast": 10,
			"depthTransducer": 0.5,
			"keel": 1.5
		}
	},

  "mdns": false,

	"interfaces": {
    "bower": true,
    "rest": true,
    "ws": true
  },

  "pipedProviders": [{
    "id": "gpsdProvider",
    "pipeElements": [
       {
         "type": "providers/gpsd",
         "options": {
           "hostname": "127.0.0.1",
           "port": 2947
         }
       },
       {
          "type": "providers/nmea0183-signalk",
          "optionMappings": [
            {
             "fromAppProperty": "selfId",
             "toOption": "selfId"
            },
            {
             "fromAppProperty": "selfType",
             "toOption": "selfType"
            }
          ]
       }
    ]
  }]
}

Configure hostname & port explicitly, better id
Configure hostname & port explicitly, better id

Use a more accurate id value instead of a clearly misleading one.
gpsd provider connects by default to localhost:2947 (gpsd default port),
but it's better to include it in the example configuration so that
the user can see where it can be changed.
