This archive contains answers to questions sent to Unidata support through mid-2025. Note that the archive is no longer being updated. We provide the archive for reference; many of the answers presented here remain technically correct, even if somewhat outdated. For the most up-to-date information on the use of NSF Unidata software and data services, please consult the Software Documentation first.
Unidata IDD Participants and Users of Remote Data Access Protocols: The Unidata-operated IDD relay node idd.cise-nsf.gov will be taken down this coming weekend due to fire alarm testing and annual maintenance of UPSes at NSF. Scheduled outage period: Sat Nov 7th 2200GMT - Sun Nov 8th 2200GMT Services affected: - IDD data relay (idd.cise-nsf.gov AKA atm.cise-nsf.gov) - McIDAS ADDE data serving (adde.cise-nsf.gov) - THREDDS data serving Required Action(s): - insure that your LDM installation is configured to request data from an alternate IDD upstream during the down period - insure that your remote data access through ADDE and/or THREDDS is configured to use an alternate server site Best regards, Unidata User Support --