private byte[] CreateData()
    {
        //create byte buffer for data
        byte[] buf = new byte[packetSize];
        
        //holds the character bytes generated
        StringBuilder s = new StringBuilder();
        
        char c;
        
        //generate data for the packet
        for(int x=0; x< (packetSize/26);x++)
        {
            for(int y=0; y<26; y++)
            {
                s.append( Character.toString((char)(y+65) ));
            }
        }
        for(int x=0; x< (packetSize%26);x++)
        {
            s.append(Character.toString((char)(x+65) ));
        }
            
        //return byte of characters
        return buf = s.toString().getBytes();
    }