Mode S Barometric Pressure Setting (BPS).
Need somebody who can guide us in obatining more information on Mode S EHS transponders that automatically provide particular flight deck parameters to air traffic systems.
The Mode S EHS technology makes it possible for aircraft to downlink the flight deck altimeter setting in the form of a Mode S parameter known as Barometric Pressure Setting (BPS) The contact details listed on the NATS website appears no longer valid.