Domine, L., Biswas, A., Cloete, R., Delacroix, A., Fedorenko, A., Jacaruso, L., Kelderman, E., Keto, E., Little, S., Loeb, A., and Masson, E.: Commissioning an All-Sky Infrared Camera Array for Detection of Airborne Objects, Sensors, 25, 783,
https://doi.org/10.3390/s25030783, 2025.
a,
b
European Civil society UAP organisations: Unidentified Anomalous Phenomena (UAP) – requested EU action, Tech. rep., European Civil society UAP organisations,
https://www.uapcheck.org/wp/wp-content/uploads/2024/11/UAP-at-EU-level-a-proposal-for-action-24Oct.pdf (last access: 23 November 2025), 2024. a
Garrido, C., Otero, A. F., and Cidras, J.: Low-frequency magnetic fields from electrical appliances and power lines, IEEE Transactions on Power Delivery, 18, 1310–1319,
https://doi.org/10.1109/TPWRD.2003.817744, 2003.
a
Haines, R. F.: Fifty-six aircraft pilot sightings involving electromagnetic effects, in: Proceedings of the MUFON UFO Symposium, OCLC 3573223, 101–131,
https://www.nicap.org/papers/92apsiee.htm (last access: 23 November 2025), 1992. a
Hrvoic, I. and Newitt, L. R.: Instruments and methodologies for measurement of the Earth's magnetic field, in: Geomagnetic Observations and Models, edited by: Mandea, M. and Korte, M., vol. 5 of IAGA Special Sopron Book Series, Springer Netherlands, Dordrecht, 105–126,
https://doi.org/10.1007/978-90-481-9858-0_5, 2011.
a
Hulot, G., Finlay, C. C., Constable, C. G., Olsen, N., and Mandea, M.: The Magnetic Field of Planet Earth, Space Science Reviews, 152, 159–222,
https://doi.org/10.1007/s11214-010-9644-0, 2010.
a
Johnson, D. A.: The effects of position and distance in UFO ignition-interference cases, Journal of UFO Studies, 3, 1–8,
https://nicap.org/papers/effectsposition.htm (last access: 23 November 2025), 1983. a
Johnson, D. A.: Size, distance and duration parameters of the ignition-interference effect, in: Proceedings of the second CUFOS Conference, edited by: Hynek, M., Chicago, Illinois, 123–152, ISBN 9780929343563, 1988. a
Kamide, Y., Baumjohann, W., Daglis, I., Gonzalez, W., Grande, M., Joselyn, J. A., McPherron, R. L., Phillips, J. L., Reeves, E. G. D., Rostoker, G., and Sharma, A. S.: Current understanding of magnetic storms: Storm–substorm relationships, Journal of Geophysical Research: Space Physics, 103, 17705–17728,
https://doi.org/10.1029/98JA01426, 1998.
a
Knuth, K. H., Ailleris, P., Agrama, H. A., Ansbro, E., Budinger, P. A., Tejin Cai, T., Canuti, T., Cifone, M. C., Cornet Jr., W. B., Courtade, F., Dolan, R., Domine, L., Dini, L., Friscourt, B., Graves, R., Haines, R. F., Hoffman, R., Kayal, H., Little, S., Nolan, G. P., and Watters, W. A.: The new science of Unidentified Aerospace-Undersea Phenomena (UAP), Progress in Aerospace Sciences, 156,
https://doi.org/10.1016/j.paerosci.2025.101097, 2025.
a
Kozyreva, O. V., Pilipenko, V. A., Belakhovsky, V. B., and Sakharov, Y. A.: Ground geomagnetic field and GIC response to March 17, 2015, storm, Earth, Planets and Space, 70,
https://doi.org/10.1186/s40623-018-0933-2, 2018.
a
Love, J. J. and Chulliat, A.: An international network of magnetic observatories, Eos, Transactions, American Geophysical Union, 94, 373–374,
https://doi.org/10.1002/2013EO420001, 2013.
a,
b
Maccabee, B.: Strong Magnetic Field Detected Following a Sighting of an Unidentified Flying Object, Journal of Scientific Exploration, 8, 347–365, 1994.
a,
b
Maccabee, B.: Wells Alan Webb Incident, May 5, 1953; Yuma, Arizona, Tech. rep., National Investigations Committee On Aerial Phenomena, 530505,
https://www.nicap.org/reports/530505yuma_report.htm (last access: 23 November 2025), 2014.
a,
b
Matzka, J., Stolle, C., Yamazaki, Y., Bronkalla, O., and Morschhauser, A.: The Geomagnetic Kp Index and Derived Indices of Geomagnetic Activity, Space Weather, 19,
https://doi.org/10.1029/2020SW002641, 2021.
a,
b
McCampbell, J. M.: UFO interference with vehicles and sel
f-starting engines, in: MUFON 1983 UFO symposium proceedings, Pasadena, California, 45–59,
https://www.nicap.org/papers/ufointerf.htm (last access: 23 November 2025), 1983. a
Meessen, A.: Evidence of very strong low frequency magnetic fields, in: Progress In Electromagnetics Research Symposium (PIERS) Proceedings, Moscow, Russia, 524–529,
https://www.piers.org/pierspublications/PIERS2012MoscowProceedings02.pdf (last access: 23 November 2025), 2012.
a,
b,
c
Merayo, J. M., Brauer, P., Primdahl, F., Petersen, J. R., and Nielsen, O. V.: Scalar calibration of vector magnetometers, Measurement Science and Technology, 11,
https://doi.org/10.1088/0957-0233/11/2/304, 2000.
a
National Instruments: NI-DAQmx Device Driver,
http://www.ni.com/en-us/support/downloads/drivers/download.ni-daqmx.html (last access: 23 November 2025), 2023. a
New Zealand Defence Force: Unidentified flying objects (UFO) files : copies for release to the public, New Zealand Defence Force, Wellington, N. Z.,
https://natlib.govt.nz/records/22979464 (last access: 23 November 2025), 2010. a
Nguyen, T. S., Guichon, J. M., Chadebec, O., Labie, P., and Coulomb, J. L.: Ships magnetic anomaly computation with integral equation and fast multipole method, IEEE Transactions on Magnetics, 47, 1414–1417,
https://doi.org/10.1109/TMAG.2010.2091626, 2011.
a
NUFORC: The MADAR Project,
https://nuforc.org/madarproject (last access: 23 November 2025), 2023. a
Olsen, N. and Stolle, C.: Magnetic signatures of ionospheric and magnetospheric current systems during geomagnetic quiet conditions-An overview, Space Science Reviews, 206, 5–25,
https://doi.org/10.1007/s11214-016-0279-7, 2017.
a
Powell, R. M., Hancock, L., Hasan, L., Little, S., Truong, R., and Kamoru, T.: The Reported Shape, Size, Kinematics, Electromagnetic Effects, and Presence of Sound of Unidentified Aerial Phenomena from Select Reports, in: AIAA Aviation Forum And Ascend,
https://doi.org/10.2514/6.2024-3735, 2024.
a
Reay, S. J., Herzog, D. C., Alex, S., Kharin, E. P., McLean, S., Nosé, M., and Sergeyeva, N. A.: Magnetic observatory data and metadata: types and availability, in: Geomagnetic Observations and Models, edited by: Mandea, M. and Korte, M., vol. 5 of IAGA Special Sopron Book Series, Springer Netherlands, Dordrecht, 149–181,
https://doi.org/10.1007/978-90-481-9858-0_7, 2011.
a
Richmond, A. D., Matsushita, S., and Tarpley, J. D.: On the production mechanism of electric currents and fields in the ionosphere, Journal of Geophysical Research, 81, 547–555,
https://doi.org/10.1029/JA081i004p00547, 1976.
a
Ruppelt, E. J.: The Report on Unidentified Flying Objects, Doubleday, ISBN 9780598368362, 1956. a
Sky Canada Project Team: Management of Public Reporting of Unidentified Aerial Phenomena in Canada – A preview of the upcoming Sky Canada Report, Tech. rep., Office of the Chief Science Advisor of Canada,
https://ised-isde.canada.ca/site/science/en/office-chief-science-advisor/sky-canada-project/preview-sky-canada-report-ocsa (last access: 23 November 2025), 2025. a
Strand, E.: Project Hessdalen 1984 – Final Technical Report, Tech. rep., Project Hessdalen,
https://old.hessdalen.org/reports/hpreport84.shtml (last access: 23 November 2025), 1984. a
Teodorani, M.: A long-term scientific survey of the Hessdalen Phenomenon, Journal of Scientific Exploration, 18, 217–251, 2004. a
Thébault, E., Purucker, M., Whaler, K. A., Langlais, B., and Sabaka, T. J.: The Magnetic Field of the Earth's Lithosphere, Space Science Reviews, 155, 95–127, 2010. a
The Galileo Project: Magnetic field and temperature data obtained at the geomagnetic variometer station of the Galileo Project in Colorado, USA, Zenodo [data set],
https://doi.org/10.5281/zenodo.15825118, 2025.
a
von Reeken, D.: Bibliographie der selbständigen deutschsprachigen Literatur über ausserirdisches Leben, UFOs, Prä-Astronautik. Zeitraum 1901–1986, Gesellschaft zur Erforschung des UFO-Phänomens e.V., Lüdenscheid, ISBN 9783923862092, 1987. a
Watters, W. A., Loeb, A., Laukien, F., Cloete, R., Delacroix, A., Dobroshinsky, S., Horvath, B., Kelderman, E., Little, S., Masson, E., Mead, A., Randall, M., Schultz, F., Szenher, M., Vervelidou, F., White, A., Ahlström, A., Cleland, C., Dockal, S., Donahue, N., Elowitz, M., Ezell, C., Gersznowicz, A., Gold, N., Hercz, M. G., Keto, E., Knuth, K. H., Lux, A., Melnick, G. J., Moro-Martín, A., Martin-Torres, J., Ribes, D. L., Sail, P., Teodorani, M., Tedesco, J. J., Tedesco, G. T., Tu, M., and Zorzano, M.-P.: The Scientific Investigation of Unidentified Aerial Phenomena (UAP) using multimodal ground-based observatories, Journal of Astronomical Instrumentation, 12,
https://doi.org/10.1142/S2251171723400068, 2023.
a,
b
Weinstein, D. F.: Aviation Safety and Unidentified Aerial Phenomena, Tech. rep., NARCAP International Air Safety Report,
https://www.narcap.de/dokumente/aircat_DWeinstein_300cases_9-09.pdf (last access: 23 November 2025), 2012. a