CEDAR email: "Radiofrequency Interference in Ionospheric Science” session at the 6-9 Jan, 2026 URSI-NRSM conference

[Phil Erickson]

Dear Colleagues,

We invite the community to submit an abstract to the special session in
Commission G: "Radiofrequency Interference in Ionospheric Science”, to be
held at the upcoming URSI-NRSM conference in Boulder, CO January 6-9, 2026.

With huge recent increases in the number of satellites occupying low Earth
orbit and beyond, radio frequency interference (RFI), including
unintentional radiators, is now a more prevalent challenge in radio
astronomy and earth sciences passive and active observations.   For
ionospheric remote sensing, this takes many forms.  A small sampling
includes large impacts on highly sensitive incoherent scatter radars from
strong satellite reflections which remove the ability to observe at some
topside altitudes, increases in highly variable RFI to riometers,
ionosondes, coherent scatter radars, and other observational tools, and
related issues.  International Telecommunications Union studies on spectrum
use for space weather remote sensors (e.g. RS.2456-1) are not yet
comprehensive, and spectrum agreements are rapidly becoming insufficient to
protect these vital remote sensing methods.

We welcome contributions to the session from the ionospheric community that
report details and impacts of RFI on different ground-based observations,
including remote sensing applications and space weather forecasts. We also
invite papers on spectrum management, RFI detection and mitigation
techniques and example case studies.  Discussions on socio-economic
benefits of initiatives and ideas toward a sustainable, cleaner
electromagnetic spectrum for ionospheric remote sensing are also
appropriate and welcome.

The deadline for abstract submissions is September 12, 2025. Submission
website: https://www.nrsmboulder.org/papers.php

We look forward to seeing you in Boulder!

Best Regards,

Phil Erickson, Tom Gaussiran and Kshitija Deshpande
-----
Philip Erickson (he/him), Ph.D.
Director
MIT Haystack Observatory
Westford, MA  01886  USA

email: pje at mit.edu <pje at haystack.mit.edu>  [NOTE NEW PREFERRED ADDRESS]
WWW: http://www.haystack.mit.edu
voice: +1 617 715 5769
fax:   +1 617 715 5590
Public key: http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x54878872
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