I also agree with Winfried and Jim.
The issue seems to me more conceptual than purely scientific.
FDSN as it is consists of a growing number of stations and with so
many stations it is no longer as manageable as it was some time ago.
E.g. if data stops flowing in from some particular station, it is no
longer feasible to look after this and inquire why - especially in
places like Europe where FDSN stations are numerous and one
can find another station from an alternate location fai…