GEM-ULTIMA Forum

The GEM-ULTIMA Forum is an annual meeting held during the mini-GEM Workshops in San Francisco each December. The Forum is organized jointly by GEM and the Ultra Large Terrestrial International Magnetometer Array (ULTIMA). At the Forum participants discuss all issues about ground-based magnetometers, including the operation of magnetometer stations, data distribution, and research using ground-based magnetometer data. and participants include members of

Below are the presentations made at the GEM-ULTIMA Forum.

2011 GEM-ULTIMA Forum on Ground-based Magnetometers

Date: Sunday, December 4, 2011

Location: Westin San Francisco Market Street

Session A. Community Presentations on Ground Magnetometers: Including Stations, Data, and Observations

• Determination of the true ionospheric currents and conductances from combined ground- and space-based observations (pdf) by Antti Pulkkinnen (NASA GSFC, USA)

• Relationship between SSW and Lunar-tidal ionospheric current enhancement obtained by MAGDAS data (pdf) by Kiyohumi Yumoto for Yosuke Yamazaki (Kyushu University, Japan)

• INTERMAGNET 1-sec Data (pdf) by Jennifer Gannon for Jeffrey Love (USGS, USA)

Session B. ULTIMA Reports and Operation

• ULTIMA Welcome (pdf) by Kiyohumi Yumoto (Kyushu University, Japan)

• Status reports from magnetometer arrays:
  • AAIMNet by Brian Fraser (University of Newcastle, Australia)
  • AUTUMN by Martin Connors (Athabasca University, Canada)
  • CARISMA by Ian Mann (University of Alberta, Canada)
  • MAGDAS (pdf) by Kiyohumi Yumoto (Kyushu University, Japan)
  • McMAC & Falcon (pdf) by Peter Chi (UCLA, USA)
  • SAMBA by Eftyhia Zesta (US Air Force, USA)
  • SEGMA (pdf) by M. Piersanti for Massimo Vellante (University of L'Aquila, Italy)