== Technical/internal reports and presentations from the post-2006 period including the wide field upgrade (WFU) ==

* Slides from presentations
   * [http://het.as.utexas.edu/HET/hetweb/docs/Control_System_Workshop_2009_03_02_final.pdf HETDEX Control System Workshop (Rafferty, Cornell) 5 Mar 2009]
   * [http://het.as.utexas.edu/HET/hetweb/docs/Tracker_Coordinates_2010_07_08.pdf Tracker Coordinates: A Proposal (Mark E. Cornell) 8 Jul 2010]
   * [http://het.as.utexas.edu/HET/hetweb/docs/HET_tracker_test_plan_review_mount_models.pdf HET Tracker Test Plan Review: Mount Models (Mark E. Cornell) 8 Mar 2011]
   * [http://het.as.utexas.edu/HET/hetweb/docs/het-database.pdf HET Telemetry database examples (Jason Ramsey) 26 Sept 2018]
   * [http://het.as.utexas.edu/HET/hetweb/docs/tcs-epics-relay.pdf Slides on TCS EPICS Relay (Jason Ramsey) 30 Nov 2018]

* Diagrams
   * [http://het.as.utexas.edu/HET/hetweb/docs/IFU_and_Patrol_Zone_Layout.PDF IFU and Patrol Zone Layout (unknown) 25 Feb 2009]
   * [http://het.as.utexas.edu/HET/hetweb/docs/HET2-process-parameters.svg CCD and TCS process parameters (Jason Ramsey) unknown]
   * [http://het.as.utexas.edu/HET/hetweb/docs/early-messaging-diagram.jpg Early messaging diagram (Jason Ramsey) 28 Jan 2014]

   * [http://het.as.utexas.edu/HET/hetweb/docs/metrology.pdf Metrology Loop diagrams for probes/cameras (Jason Ramsey) unknown]


* Specifications or descriptions
   * [http://het.as.utexas.edu/HET/hetweb/docs/HX0027-01-01_HETDEX_and_HET_WFU_SOFTWARE_SPECIFICATION.doc Draft of HETDEX and HET WFU Software Specification (Mark Cornell) 16 Jul 2008]
   * [http://het.as.utexas.edu/HET/hetweb/docs/observations_2010_09_03.pdf Observations on pointing the HET (Moreira, Cornell) 3 Sep 2010]
      * [wiki:HetDescription/pointing Further descriptions of pointing]
   * [http://het.as.utexas.edu/HET/hetweb/docs/HX0274-01-01_GUIDE_PROBE_TESTS.pdf Guide Probe tests (Mark Cornell) 6 Oct 2011]
   * [http://het.as.utexas.edu/HET/hetweb/docs/fits-header-specification.txt FITS Header Specifications (Mark Cornell) 7 Mar 2012]
      * superseded by: https://luna.mpe.mpg.de/wikihetdex/index.php/VDAS_and_PAS_specification
   * [http://het.as.utexas.edu/HET/hetweb/docs/tcs-offsets.pdf TCS Offsets (Jason Ramsey) unknown]

* Other
   * [http://het.as.utexas.edu/HET/hetweb/docs/curation.txt Curation details of files (Jason Ramsey) unknown]
   * [http://het.as.utexas.edu/HET/hetweb/docs/VIRUS.docs.tar.bz2 VIRUS documentation tar/gzipped file (unknown) unknown]
   * [http://het.as.utexas.edu/HET/hetweb/docs/VDAS.docs.tar.bz2 VDAS documentation tar/gzipped file (unknown) unknown]
   * [http://het.as.utexas.edu/HET/hetweb/docs/mount.pdf Mount Models in Mathematica (Cornell, Moreira, Rafferty) 20 Jun 2011]
      * [https://het.as.utexas.edu/HET/hetweb/docs/mount.nb mount.nb (unknown) 20 Jun 2011]
   * [https://het.as.utexas.edu/HET/hetweb/docs/focal.xls Focal calculation spreadsheet (unknown) 25 Jan 2012]










Older reports:
* [http://het.as.utexas.edu/HET/hetweb/docs/HET_Technical_Report_42.pdf Technical Report #42: Tracker Mechanism Kinematics, Servo, and Top-level Software Design for a Semi-transit Telescope with Fixed Spherical Primary Mirror (F.B. Ray) 4 Apr 1994]
* [http://het.as.utexas.edu/HET/hetweb/docs/HET_Technical_Report_43.pdf Technical Report #43: SST Setting and Tracking Analysis (F.B. Ray) 5 Apr 1994]
* [http://het.as.utexas.edu/HET/hetweb/docs/HET_Technical_Report_90.pdf Technical Report #90: Hobby-Eberly Telescope Trajectory Generation (Frank B. Ray) 19 June 1995]

* [http://het.as.utexas.edu/HET/hetweb/docs/IDD_Paper.pdf In-Dome DIMM tests (Matthew Shetrone) Mar 2010]