 | ARMENIA | SEVAN Aragats Space Environmental Center, Alikhanian Physics Institute |
 | BRAZIL | AFINSA Universidade Presbiteriana Mackenzie - Sao Paulo, Brazil SAVNET Presbyterian Mackenzie University - Sao Paulo, Brazil |
 | FRANCE | African Dual Frequency GPS Network CETP&CNRS |
 | GERMANY | Solar Flares detected by Ionospheric Effects SOFIE Institute of Communications and Navigation at DLR Neustrelitz Global Ionosphere Flare Detection System GIFDS German Aerospace Center |
 | JAPAN | CHAIN / Kyoto University GMDN / Shinsu University MAGDAS / ICSWSE, Kyushu University OMTIs / Nagoya University |
 | SWITZERLAND | CALLISTO Institute of Astronomy, ETH-Zentrum in Zurich |
 | UNITED STATES | AMBER / University of California - Los Angeles AWESOME & SID / Stanford University All-Sky Imaging Network BU_ASI / Boston University CIDR / University of Texas at Austin LISN / University of Texas at Dallas Realistic Ionosphere RION / University of Massachusetts Lowell RENOIR / University of Illinois SCINDA / Air Force Research Laboratory (AFRL) |