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Agenda item 1.7 – AMS(R)S 1 525-1 559 MHz and 1 626.6-1 660.5 MHz

Agenda item 1.7 – AMS(R)S 1 525-1 559 MHz and 1 626.6-1 660.5 MHz. Presenter: Tim Smallhorn. Australian Position.

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Agenda item 1.7 – AMS(R)S 1 525-1 559 MHz and 1 626.6-1 660.5 MHz

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  1. Agenda item 1.7 – AMS(R)S 1 525-1 559 MHz and 1 626.6-1 660.5 MHz Presenter: Tim Smallhorn

  2. Australian Position Australia supports the results of ITU-R studies indicating existing and future aeronautical mobile-satellite (R) service (AMS(R)S) requirements can be met within the 2 x 10 MHz bands identified by footnote No. 5.357A. Hence, Australia supports the 1 545‑1 555 MHz and 1 646.5-1 656.5 MHz bands remaining the core bands for AMS(R)S and No. 5.357A be retained. The Administration of Australia as a participant of current multilateral frequency coordination meetings for managing access to the bands 1 525-1 559 MHz and 1 626.5-1 660.5 MHz for the mobile-satellite service (MSS) and AMS(R)S, is of the opinion that these procedures have satisfied the spectrum needs for both services for many years. Australia supports Method A of the CPM Report. However, should widespread international support acknowledging a serious deficiency in the multilateral coordination process be widely accepted at WRC-12, Australia would encourage and support efforts to improve the process through new alternative measures that do not add unreasonable cost and administrative burden to notifying administrations, operators and the ITU Radiocommunication Sector.

  3. Development at WRC-12 Range of proposals No change (AUS, INS, CHN) New Annex to Resolution 222 clarifying available procedures (most of CITEL, certain ATU admins) Sweeping new procedures to manage access to L-Band (CEPT, J, certain CITEL admins)

  4. Development at WRC-12 Major topics of discussion Involvement of outside parties (viz. ICAO) Possibility of pre-coordination meetings to impose conditions on ORM The role of the BR The exact meaning of “priority access” Transparency of the ORM processes

  5. Outcome Determined largely by an offline compromise between ESA and Inmarsat Consistent with Australia’s position No change to Articles 5 and 9 New Resolution for developing a spectrum calculation methodology Description of procedures available for managing L-Band access

  6. Outcome Inconsistent with Australia’s position Mandatory reporting of ORM outcomes BR requirement to call a notifying admins’ meeting upon invocation of 5.357A Importantly Operators still primarily responsible for management of L-Band access, through ORM “expert groups” or pre-coordination meetings were rejected by the Conference Proposals for spectrum reservation were unsuccessful

  7. Impact Possibility of increased administrative burden for ACMA and operators Need to monitor/participate in development of spectrum calculation methodology Unlikely to impact the utility of a high value and highly congested band This is probably the most important outcome of this AI, and our primary reason for participation

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