5.3 MPIfR Correlator Report ___________________________ MPIfR/BKG MKIV CORRELATOR =========================== GENERAL Current correlator capabilities are listed at: http://www.mpifr-bonn.mpg.de/EVN/MK4CORstatus CORRELATOR HARDWARE > BKG and MPIfR have signed a contract to upgrade the correlator to 12 stations and Mark5B. This will include replacement of the station units and new control computers. CORRELATION SOFTWARE > Smooth Mark5 operation OPERATIONS > The correlator has no backlog. > The correlation factor of Mark5-only observations is between 1 and 1.5 > Disks from EVN observations and mm-array sessions are recycled before the next session. On average 1 or 2 EVN observations per session are correlated at the MPIfR. > Fringe checks via ftp transfer have been done with Mark 5 systems and the correlator and will be introduced as a standard procedure in the mm-array observations. OTHER > 12 8-packs with 250 GB disks were assembled for Urumqi > A total of 100 MPIfR 8-packs have been assempled and added to the disk pool with a total capacity of 105 TB. W.Alef