Tool refinement investigations focussed on understanding GW channel
(includes comparisons of existing tools in getting the job done)

* Calibration stability (tracking injected lines & shape changes, alignment)
  Gabriela Gonzalez*, Mike Landry*, Rana Adhikari,  Patrick Brady, Duncan Brown,
  Jolien Creighton, Peter Fritschel, Szabi Marka, Brian O'Reilly, Patrick Sutton

* Violin modes (tracking, thresholding, understanding ring-up)
  Sergey Klimenko*, Mario Diaz, Fred Raab, Natalia Zotov

* Steady-state correlations (e.g., quantify strength, graph in realtime)
  Nelson Christensen*, Adrian Ottewill

* Glitches (rates, causes)
  Laura Cadonati*, Erik Katsavounidis*, Mike Ashley, Stefan Ballmer, Laura Cadonati,
  Ed Daw, Masahiro Ito, Sergey Klimenko, Natalia Zotov, John Zweizig

* Bilinear couplings (quantification, causes)
  Steve Penn*, Erika D'Ambrosio, Biplab Bhawal, Vijay Chickarmane,
  Tiffany Summerscales, Dennis Ugolini
 

General investigations of environment

* Quantify correlated environmental transients between sites
  Robert Schofield*, Ray Frey

* Identify & catalog environmental disturbances
  Robert Schofield*, Rauha Rahkola
 

System verification

* Timing precision
  Daniel Sigg*, Szabi Marka

* Data quality
  John Zweizig*, Rana Adhikari, Ed Daw, Peter Fritschel, Gaby Gonzalez,
  Brian O'Reilly, Rauha Rahkola, Keith Riles, Robert Schofield, Peter Shawhan,
  Daniel Sigg, Stan Whitcomb

* Data access
  Peter Shawhan*

* Data set reduction
  Isabel Leonor*

* Hardware astrophysical signal injection
  Szabi Marka*, Peter Shawhan*, Isabel Leonor

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* - Investigation Leader or Co-Leader