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Preliminary optical testing of WYFFOS in its reflection-grating mode has demonstrated that the optical components are within specification, an on-axis point source at the slit projecting to 1.1 pixels at the detector. Control tests using EPICS/VxWorks software have been successful.

The optical components of the WYFFOS transmission mode are currently under test at RGO. The only outstanding mechanical work is the fabrication of alignment jigs and enclosure panels for the WYFFOS optical table in the GHRIL cabin. Electronics and software work is proceeding. Final UK testing will take place with the entire instrument assembled in the RGO optical lab; this is scheduled for January, 1995. Commissioning on the telescope will take place during the first semester of 1995.

Tue Aug 15 16:42:46 BST 1995