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Research on wireless networks and mobile computing benefits from access to data from real networks and real mobile users. Data captured from production wireless networks (and their users) help us understand how real users, applications, and devices use real networks under real conditions. It is challenging and expensive to collect such data, however, so we established this Community Resource for Archiving Wireless Data At Dartmouth (CRAWDAD) as a place to share these data sets across the research community. We are grateful to all those who have collected these valuable datasets and are willing to share them with others, and to all of our sponsors for their financial and operational support.

The site was originally hosted on Apple XServers from 2004-2014. Here are few snapshots: photo, photo, photo, photo.

Some CRAWDAD statistics (last updated 2022-03-15)

  • 135 datasets
  • 22 tools
  • 6,994 users from 136 countries

CRAWDAD leadership:


We are grateful for the leadership of CRAWDAD co-founder Tristan Henderson, Senior Lecturer in Computer Science, University of St Andrews.

We are grateful for the help of our current and previous staff:

  • Steve Gaughan
  • Patrick Proctor
  • Anna Shubina
  • Jihwang Yeo

and all of our student interns:

  • Dimitrios-Georgios Akestoridis (University of Ioannina)
  • Hugh Cannon (St Andrews)
  • Ruslan Dimov (Dartmouth)
  • Jon Jacobson (Dartmouth)
  • Stephan Johnson (Dartmouth)
  • Kieran Kelk (St Andrews)
  • Dana Malajian (Dartmouth)
  • Robert Muckle-Jones (St Andrews)
  • Constantinos Neophytou (Dartmouth)
  • Pekka Pietikainen (University of Oulu)
  • Alex Riina (Dartmouth)
  • Oleg Seletsky (Dartmouth)
  • Nathan Schneider (Dartmouth)

The CRAWDAD logo was designed by Guy Nelson.

About crawdads:

Crawdads are crustaceans also commonly known as crayfish, crawfish or yabbies. See Wikipedia for more information.