International Amateur Radio Union

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  1. Development of an ITU‑R Recommendation on 23cm amateur band and RNSS operations concludes at ITU‑R Radio Assembly

    The ITU‑R Radio Assembly (RA) met during the week before the World Radio Conference in Dubai. The IARU participated in the meeting and contributed to the development of the draft ITU‑R Recommendation for 23cm band amateur operations alongside the co-frequency … Read more →

  2. ITU‑R WP5A meeting #30 could not achieve consensus on the measures needed to protect the RNSS in the 23cm band. (Relating to WRC-23 AI 9.1b)

    Working Party 5A meeting #30 met over the period 13th to 22nd September 2023 and despite extra meeting time allocated specifically to the development of the ITU‑R Recommendation M.[AS_GUIDANCE] the meeting did not reach a consensus on the technical and … Read more →

  3. No agreement in ITU‑R WP4C on the measures needed to protect the RNSS in the 23cm band.

    ITU‑R Working Party 4C meeting #30 could not agree on the technical and operational measures required to ensure the protection of the RNSS (radio navigation satellite service) in the amateur 23cm band. (Relating to WRC-23 AI 9.1b).

    Working Party 4C … Read more →

  4. ITU‑R Working Party 5A meeting #29 made further progress developing the 23cm amateur band and RNSS (radio navigation satellite service) coexistence measures relating to WRC-23 AI 9.1b

    Over the period 9th to 19th May 2023, the preparatory work for WRC-23 agenda item 9.1b continued in ITU‑R Working Party 5A (WP5A). Two deliverables are under discussion:

    1) Draft ITU‑R Report M.[AMATEUR_CHARACTERISTICS] – this reports on the specific 23cm … Read more →

  5. IARU simulations confirm the low probability of interference into RNSS receivers in the 23cm band.

    WRC23 – agenda item 9.1b

    The IARU maintains the view that the likelihood of widespread and persistent interference from amateur radio activities to RNSS (e.g. Galileo) receivers in the 23cm band is minimal. The WRC-23 preparatory studies carried out in … Read more →

  6. Special Theme for World Amateur Radio Day 2023 Announced

    The International Amateur Radio Union announces that Human Security for All, HS4A, will be the theme of World Amateur Radio Day on 18 April 2023. For the first time, the United Nations Trust Fund for Human Security and the World … Read more →

  7. ITU‑R Working Party 5A is making progress on the 23cm amateur band and RNSS (radio navigation satellite service) coexistence.

    Over the period 14th to 25th November 2022, the preparatory work for WRC-23 agenda item 9.1b continued in ITU‑R Working Party 5A (WP5A). Two deliverables are under discussion:

    1) Draft ITU‑R Report M.[AMATEUR_CHARACTERISTICS] – this reports on the specific 23cm … Read more →

  8. WRC23 AI9.1b: ITU‑R Study Group 4 finalises the 23cm/RNSS study report

    During the period 7–13 September 2022, the IARU once again participated in the preparatory work for WRC-23 agenda item 9.1b in ITU‑R Working Party 4C (WP4C). The IARU summary report on the WP4C meeting can be found here.

    Updated … Read more →

  9. IARU Welcomes New Member Society

    The IARU member-societies have voted to admit the Sudan Amateur Radio Union (SARU) as its newest member society. Founded on August 6, 2021, SARU has 54 licensed radio amateurs as members. The address of SARU is Khartoum Airport P.O. Box … Read more →

  10. 23cm Band and WRC-23 — Discussion Document

    As the WRC-23 approaches so the studies regarding AI9.1b (23cm and RNSS) are working towards conclusions. However the IARU is not content that all the operational aspects of the amateur service usage of the 1 240- 1 300 MHz band … Read more →

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