In message <200008161651.RAA17547@pc9.mcs.le.ac.uk>, Gavin Lowe writes: >If a survey leg or an *equate command refers to a station using a >(non-empty) prefix, and that station doesn't otherwise exist, then it's >likely that the user has cocked up the prefix in some way. Hmm, that's probably fairly simple to catch. I'll take a look. Cheers, Olly