Hi guys thanks for responding and i fully understand whats involved....but from a sat opp point of view it would be nice if we could manage one bird like a07 ...that is its hight? and transponder ever 25 years? or so...?? and not have to rely on 25 year old tech...that works and works well...im a big beleaver ...keep it simple it works and lasts Thanks for all ur hard work and im sure im not alone in saying keep up the good work and lets hope a ride comes along to for fill our needs..so we can keep this great part of the hobby on going! de paul ......raining in scotland