Hi Giles,
Drifting off topic a bit, but in response to your...
"I fly in the South East of England where a lot of the airspace above me has its lower level defined as an altitude. The last setting I want to use is RPS which is the lowest FORECAST QNH and hence could put me closer to my work colleagues above me than I want to be on a day off!"
I routinely provide a service to traffic transiting under airspace with lower limits defined as an altitude. I won't pass this traffic the RPS, I'll pass the pressure datum the airspace is based on. I would be surprised if you were given any other pressure if operating close to the limits of said airspace.
Best Regards,
LXGB
Last edited by LXGB; 1st February 2005 at 12:21.