GCR
[1] Group-Coded Recording (Magnetband-Aufzeichnungsart, maximal 6250bpi)[2] General Configuration Register
[3] Gas Cooled Reactor \{Reaktortechnik\}
[4] General Component Reference
[5] Group Coded Recording (->""IEEE" Standard Dictionary")
[6] Ground Controlled Radar (->""NASA" Acronym List")
[7] Galactic Cosmic Ray (->"NASA NGST Acronym List")