test_route.js

router.get('/gps/loc*', function(req, res) {
  var data = {
    user_id: req.query.user_id,
    lat: req.query.lat,
    lon: req.query.lon,
    timestamp: req.query.timestamp,
    hdop: req.query.hdop,
    altitude: req.query.altitude,
    speed: req.query.speed
  };
  
  res.write('Parsed data:' + data);

  Location.create(data, function(err, location){
    if(err){
        res.write('Error:' + err);
        res.status(500).end();
        return;
    }

    res.write('Saved location:' + location);
    res.end();
  });
});