Radiocommunication Sector (ITU-R) - Administrative Circulars and Circulars Letters

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Administrative Circulars and Circulars Letters

Administrative Circulars (CA) - Concerning general business of the Radiocommunication Sector:
- Activities of the SAT-BAG and SC
- Conference Preparatory Meeting (CPM)
- Draft guidelines for the Working methods of the RA, the Study Groups
- Meetings of the RAG
- Operational Plans
- Questionnaire on FSS
- Requests for administrations and Sector Members
- The World Radiocommunication Seminar
Administrative Circulars (CACE) - Concerning Radiocommunication Assembly and Study Group work:
- Approvals of Recommendations, Questions
- Meetings, Reports, Study Groups, invitations
Administrative Circulars (CAR) - Concerning approval of draft ITU-R Recommendations and Questions:
- Proposed approvals of draft Recommendations and Questions

Circular Letters (CCRR) - Concerning matters related directly to the Radio Regulations Board:
- Draft modification to the Rules of Procedure (Addendum + Corrigendum)
Circular Letters (CM) - Concerning Maritime Affairs:
- Implementation of Resolution 340 of WRC-97
- Publication of the List of ship stations
Circular Letters (CR) - Concerning Radio Regulation Frequency Registration:
- Application of Radio Regulations Articles
- Application and Implementation of Resolutions 30 (WRC-97), 55 (WRC-2000), 532 (WRC-97)
- Rules of Procedure
- Notification of frequency assignments on electronic media
- Submission of notices to the BR
Circular Telegrams (CTITU) - Concerning application of the Radio Regulations (RR):
- Application of No. 9.5D of the Advance Publication Information (API)
- Application of Nos.11.44/11.44.1 of the RR and Resolution 49 (Rev.WRC-07)
- Others
Circular Letters (LCCE) - Concerning Study Groups (Working Parties and Task Groups):