code: function Satcat( options ) {
  
    if( !(this instanceof Satcat) )
      return new Satcat( options )
  
    options = options || {}
    options.encoding = null
    options.readableObjectMode = true
  
    this._stringBuffer = ''
  
    Stream.Transform.call( this, options )
  
  }
docs: Satcat constructor
  @extends {stream.Transform}
  @param {Object} [options]