docs: function(data) {
          var toLat = coordinate.format(data.to.lat, 'lat');
          var toLon = coordinate.format(data.to.lon, 'lon');
  
          var parts = ["IIRMB",
              "A",
              data.xte.toFixed(2),
              data.dts,
              data.to.name,
              data.from.name,
              toLat[0],
              toLat[1],
              toLon[0],
              toLon[1],
              data.dtw.toFixed(1),
              data.btw.toFixed(0),
              data.vmgw.toFixed(2),
              'V'
          ];
  
          return parts.join(',');
      }