docs: function QJob (simulator, lon, lat, sog, cog, count) {
      this.simulator= simulator;
      this.lon      = lon;
      this.lat      = lat;
      this.cog      = parseInt ((parseFloat(cog)+ (Math.random()*5)-2.5)*10)/10;
      this.sog      = parseInt ((parseFloat(sog)  + (Math.random()*5)-2.5)*100)/100;
      this.count    = count;
  }