I ran across this link with an interesting remote control solution by RU6B. He is using servo motors and Arduino mounted on a removable plexiglas panel http://forum.qrz.ru/3-kv-tehnika/44272-udalennoe-upravlenie-shekom-voprosy-otvety-praktika-8.html#post1308951 I really like the non-invasive nature of the mod. 73 Vasiliy K3IT