9 March 2021 10am – 12.15pm Webinar Online

The three previous Cluster 4 meetings in 2020 have focussed on WRC-2023 agenda items which arose from IMT/ Mobile industry proposals to WRC-2019.

The planned March 2021 Cluster 4 event will focus on some WRC-23 agenda items which arose from space industry proposals to WRC-2019.

Agenda and call for speakers

Specifics on the agenda will be posted by early February.

Chair: Kumar Singarajah, UK SPF Cluster 4 and Euroma

Presenters will come from the space community proponents of ESIMs and if you or a contact outside of the space community have an interest in presenting to then contact Jo. 


The ITU-R Resolution 811 (WRC-2019) text for the two topics.

  • 1.15 to harmonize the use of the frequency band 12.75-13.25 GHz (Earth-to-space) by earth stations on aircraft and vessels communicating with geostationary space stations in the fixed-satellite service globally, in accordance with Resolution 172 (WRC-19); 
  • 1.16 to study and develop technical, operational and regulatory measures, as appropriate, to facilitate the use of the frequency bands 17.7-18.6 GHz and 18.8-19.3 GHz and 19.7-20.2 GHz (space-to-Earth) and 27.5-29.1 GHz and 29.5-30 GHz (Earth-to-space) by non-GSO FSS earth stations in motion, while ensuring due protection of existing services in those frequency bands, in accordance with Resolution 173 (WRC-19);

If you have any comments or suggestions please get in touch.

Our events operate under Chatham House rule. By signing up you agree for your name and organisation to be added to the delegate list.

After booking you will not receive a diary invite.

Notes and slides from previous Cluster 4 WRC focused events

WRC-23 agenda items 1.2/1.3

WRC-23 agenda item 1.5

WRC-23 agenda items focused on the upper 6 GHz band

Jo O'Riordan

Jo O'Riordan

Head of Spectrum Policy and Telecoms, techUK

Sophie James

Sophie James

Programme Manager, Communications Infrastructure and Services, techUK

Julia Ofori-Addo

Julia Ofori-Addo

Programme Assistant, Broadband Stakeholder Group, Central Government, Financial Services Council, techUK