In article ,
Peter wrote:

Yes, the KNS-80 RNAV was OK for this, but not any more because it does
not meet the CAA FM Immunity requirements. (this requirement claims to
address the proximity of the FM broadcast band to the FM aviation
band; not that anybody has ever come across any problems but the UK
CAA says so...)

it was my understanding that FM immunity issues with ILS approaches was
a known problem and not theoritical.

--
Bob Noel
no one likes an educated mule