1. WRC-11 Agendas for Science Issues 6-8 March, 2008 HyunSoo Chung Korea Astronomy and Space Science Institute Republic of Korea

2. Broadband IT Korea 2 Introduction Agenda ItemResponsible GroupConcerned Group 1.6 (Res. 950)WP 1A WP 7C, WP 7D, (WP 3M) 1.6 (Res. 955)WP 1A WP 5C, WP 7B, (WP 3M) 1.11 (Res. 753)WP 7B WP 4A, WP 5C, (WP 3M), (WP 5A) 1.12 (Res. 754)WP 7B WP 4A, WP 5B, WP 5C, (WP 5A) 1.16 (Res. 671)WP 7C (WP 3L), (WP 5B), (WP 5C), (WP 7A) 1.24672WP 7B WP 5C, (WP 5A), (WP 5B) Chapter 4Science Issues (Agenda items 1.6, 1.11, 1.12, 1.16, 1.24) oRapporteur:Mr John E. Zuzek (USA)

3. Broadband IT Korea 3 AI 1.6 to review No. 5.565 of the Radio Regulations in order to update the spectrum use by the passive services between 275 GHz and 3 000 GHz, in accordance with Resolution 950 (Rev.WRC 07), and to consider possible procedures for free-space optical-links, taking into account the results of ITU R studies, in accordance with Resolution 955 [COM6/9] (WRC 07); Resolution 950 [COM6/11] (WRC 07) : Consideration of the use of the frequencies between 275 and 3 000 GHz Resolution 955 [COM6/9] (WRC 07) : Consideration of procedures for free space optical links NOTE Responsible group WP 1A Concerned group WP (7C, 7D), (5C, 7B) Agenda Item 1.6

4. Broadband IT Korea 4 Agenda Item 1.6 - (1) USA/ 5A8/3 EUR/ 10A25 /2 ARB/ 39A23 /2 ASP/ 41A28 /384 WRC-07 WRC-11 AI 1.6 NOTE : RG WP1A CG WP (7C, 7D), WP (5C, 7B)

5. Broadband IT Korea 5 USA to review and revise No. 5.565 with a view to updating the list of frequencies for passive services in the spectral region from 275-3 000 GHz, taking into account the results of ITU R studies in accordance with Resolution 950 (WRC 03); EUR to consider the adequacy of the protection provided to passive services by No. 5.565 in the light of planned applications for passive services between 275 GHz and 3 000 GHz taking into account the result of ITU R studies in accordance with Resolution 950 (Rev.WRC 07) and take appropriate action if required; ARB to consider frequency allocations between 275 GHz and 3 000 GHz and above, taking into account the result of ITU-R studies in accordance with Resolution 950 (WRC 03) and ITU studies on free space optical-link; ASP to review No. 5.565 of the Radio Regulations to update the spectrum use between 275 GHz and 3 000 GHz taking into account the result of ITU-R studies in accorda nce with Resolution 950 (Rev.WRC-07); Agenda Item 1.6 - (2) WRC-07 Agenda Item 7.2 WRC-11 AI 1.6 to review No. 5.565 of the Radio Regulations in order to update the spectrum use by the passive services between 275 GHz and 3 000 GHz, in accordance with Resolution 950 (Rev.WRC 07), and to consider possible procedures for free-space optical-links, taking into account the results of ITU R studies, in accordance with Resolution 955 [COM6/9] (WRC 07);

6. Broadband IT Korea 6 Agenda Item 1.6 - (3) Resolution 950 (Rev.WRC 07) : Consideration of the use of the frequencies between 275 and 3 000 GHz resolves 1to review No. 5.565 of the Radio Regulations, excluding frequency allocations, in order to update the spectrum use between 275 GHz and 3 000 GHz by the passive services at WRC 11, taking into account the result of the ITU-R studies; 2that administrations may submit for inclusion in the Master International Frequency Register details on systems which operate between 275 and 3 000 GHz and which may be recorded by the Radiocommunication Bureau under Nos. 8.4, 11.8 and 11.12, invites ITU R to conduct the necessary studies in time for consideration by WRC 11 with a view to the modification of No. 5.565, including advice on the applications suitable for the band 275 3 000 GHz,

7. Broadband IT Korea 7 Related footnote RR5.565 The frequency band 275-1000 GHz may be used by administrations for experimentation with, and development of, various active and passive services. In this band a need has been identified for the following spectral line measurements for passive services: Radio astronomy service : 275-323 GHz, 327-371 GHz, 388-424 GHz, 426-442 GHz, 453-510 GHz, 623-711 GHz, 795-909 GHz and 926-945 GHz Earth exploration-satellite service (passive) and space research service (passive) : 275-277 GHz, 294-306 GHz, 316-334 GHz, 342-349 GHz, 363-365 GHz, 371-389 GHz, 416-434 GHz, 442-444496-506 GHz, 546-568 GHz, 624-629 GHz, 634-654 GHz, 659-661 GHz, 684-692 GHz, 730-732 GHz, 851-853 GHz and 951-956 GHz Agenda Item 1.6 – RR 5.565

8. Broadband IT Korea 8

9. 9 Agenda Item 1.6 - (4) Resolution 955 (Rev.WRC 07) : Consideration of procedures for free space optical links resolves 1to consider possible procedures for free-space optical links, taking into account the results of ITU-R studies covering at least sharing aspects with other services, a clear definition of the band limits and measures to be considered if allocations to various services in the Radio Regulations above 3 000 GHz are considered feasible, invites ITU R to conduct the necessary studies in time for consideration by WRC 11.

10. Broadband IT Korea 10 Related ITU-R Recommendation ITU-R RS.1804 (Technical and operational characteristics of Earth exploration- satellite service (EESS) systems operating above 3 000 GHz) (2007) recommends 1that operators of EESS systems operating above 3 000 GHz should take into account the possibility of interference from transmitters of the science services (including those of EESS) in their selection of mission requirements and choices of sensor design; 2that studies of interference to and from EESS systems operating above 3 000 GHz should take into account the technical and operational parameters provided in Annex 1. Agenda Item 1.6 – (5)

11. Broadband IT Korea 11 AI 1.11 to consider a primary allocation to the space research service (Earth-to-space) within the band 22.55-23.15 GHz, taking into account the results of ITU R studies, in accordance with Resolution 753 [COM6/11] (WRC 07); Resolution 753 [COM6/11] (WRC 07) Use of the band 22.55-23.15 GHz by the space research service NOTE Responsible group WP 7B Concerned group WP 4A, WP 5C, (WP 3M), (WP 5A) Agenda Item 1.11

12. Broadband IT Korea 12 22.55 GHz 23.15 GHz 23.55GHz ITU-R Radio Regulations Fixed, Inter-satellite, Mobile Requested Band space research service (Earth-to-space) Agenda Item 1.11

13. Broadband IT Korea 13 Agenda Item 1.11 - (1) USA/ 5A11/ 2 EUR/ 10A25 /2 IAP/ 14A2/ 407 IAP/ 14A2/ 409 WRC-07 WRC-11 AI 1.11 NOTE : RG WP7B CG WP 4A, WP 5C

14. Broadband IT Korea 14 USA To consider the addition of up to a 500 MHz primary space research service (Earth-to-space) allocation in the 22.55-23.15 GHz band, taking into account the results of ITU-R studies and recognizing the need to protect existing systems in the band, taking into account Resolution [USA 01] (WRC 07) EUR to consider a primary allocation of up to 500 MHz to the space research service in the band 22.55-23.55 GHz (Earth to space); IAP to consider the addition of up to a 500 MHz primary space research service (Earth- to-space) allocation in the 22.55-23.15 GHz band, taking into account the results of ITU R studies and recognizing the need to protect existing systems in the band, taking into account Resolution [IAP/14A2/410] (WRC 07); Agenda Item 1.11 - (2) WRC-07 Agenda Item 7.2 WRC-11 AI 1.11 to consider a primary allocation to the space research service (Earth-to-space) within the band 22.55- 23.15 GHz, taking into account the results of ITU R studies, in accordance with Resolution 753 [COM6/11] (WRC 07);

15. Broadband IT Korea 15 Agenda Item 1.11 - (3) Resolution 753 (Rev.WRC 07) : Use of the band 22.55-23.15 GHz by the space research service resolves 1to invite ITU-R to conduct sharing studies between space research service systems operating in the Earth-to-space direction and the fixed, inter-satellite and mobile services in the band 22.55-23.15 GHz, to recommend appropriate sharing criteria for an allocation to the space research service in the Earth-to-space direction; 2to invite WRC 11 to review the results of the studies under resolves 1 and consider the inclusion of the sharing criteria within the Radio Regulations and appropriate modifications to the Table of Frequency Allocations,

16. Broadband IT Korea 16 AI 1.12 to protect the primary services in the band 37-38 GHz from interference resulting from aeronautical mobile service operations, taking into account the results of ITU R studies, in accordance with Resolution 754 [COM6/12] (WRC 07); Resolution 754 [COM6/11] (WRC 07) Consideration of modification of the aeronautical component of the mobile service allocation in the 37-38 GHz band for protection of other primary services in the band NOTE Responsible group WP 7B Concerned group WP 4A, WP 5B, WP 5C Agenda Item 1.12

17. Broadband IT Korea 17 37 GHz 37.5 GHz 38 GHz ITU-R Radio Regulations FS, MS, SRS (s-E) FS, FSS(s-E) MS, MSS (s-E) Earth exploration satellite (s-E) Required Study modification of the aeronautical MS for protection of other primary services Agenda Item 1.12

18. Broadband IT Korea 18 Agenda Item 1.12 - (1) USA/ 5A12/ 2 IAP/ 14A2/ 411 IAP/ 14A2/ 413 ASP/ 41A28 /385 WRC-07 WRC-11 AI 1.12 NOTE Responsible group WP 7B Concerned group WP 4A, WP 5B, WP 5C

19. Broadband IT Korea 19 USA to consider modifying the primary mobile service allocation in the 37-38 GHz band to exclude aeronautical mobile stations, or to take such other regulatory action as needed to protect the other primary services in the band from interference from the aeronautical mobile service, taking into account the results of ITU-R studies and Resolution [USA-03] (WRC-07) IAP to consider modifying the primary mobile service allocation in the 37-38 GHz band to exclude aeronautical mobile stations, or to take such other regulatory action as needed to protect the other primary services in the band from interference from the aeronautical mobile service, taking into account the results of ITU R studies and Resolution [IAP/14A2/414] (WRC 07) ASP to consider primary allocations to the mobile service in the 37-38 GHz band in order to exclude the aeronautical mobile service, or alternatively other regulatory actions as required to protect the space research service (space-to-Earth) in the band from interference from the aeronautical mobile service on the basis of studies in accordance with Resolution [ASP/AI7.2/2-XX1] (WRC-07); Agenda Item 1.12 - (2) WRC-07 Agenda Item 7.2 WRC-11 AI 1.12 to protect the primary services in the band 37-38 GHz from interference resulting from aeronautical mobile service operations, taking into account the results of ITU R studies, in accordance with Resolution 754 [COM6/12] (WRC 07);

20. Broadband IT Korea 20 Agenda Item 1.12 - (3) Resolution 754 (Rev.WRC 07) : Consideration of modification of the aeronautical component of the mobile service allocation in the 37-38 GHz band for protection of other primary services in the band resolves 1to invite ITU R to conduct appropriate studies involving the aeronautical mobile service and the affected primary services in the band 37-38 GHz in order to determine the compatibility of the aeronautical mobile service with these other services; 2to invite WRC 11 to review the results of the studies under resolves 1 and consider the inclusion of any appropriate compatibility criteria within the Radio Regulations or appropriate modifications to the Table of Frequency Allocations,

21. Broadband IT Korea 21 AI 1.16 to consider the needs of passive systems for lightning detection in the meteorological aids service, including the possibility of an allocation in the frequency range below 20 kHz, and to take appropriate action, in accordance with Resolution 671 [COM6/16] (WRC 07); Resolution 671 [COM6/11] (WRC 07) : Recognition of systems in the meteorological aids service in the frequency range below 20 kHz NOTE Responsible group WP 7C Concerned group (WP 3L), (WP 5B), (WP 5C), (WP 7A) Agenda Item 1.16

22. Broadband IT Korea 22 9 kHz 14 kHz 19.95 kHz 20.05 kHz ITU-R Radio Regulations RNSFS, Maritime MS Standard Frequency and Time signal (20 kHz) Required Allocation Recognition of systems in the meteorological aids service Agenda Item 1.16

23. Broadband IT Korea 23 Agenda Item 1.16 - (1) EUR/ 10A25/7 WRC-07 WRC-11 AI 1.16 NOTE Responsible group WP 7C

24. Broadband IT Korea 24 EUR to consider the needs of the meteorological aids service in the frequency range below 20 kHz and take appropriate action, in accordance with Resolution [EUR/10A25/7] (WRC 07); Agenda Item 1.16 - (2) WRC-07 Agenda Item 7.2 WRC-11 AI 1.16 to consider the needs of passive systems for lightning detection in the meteorological aids service, including the possibility of an allocation in the frequency range below 20 kHz, and to take appropriate action, in accordance with Resolution 671 [COM6/16] (WRC 07);

25. Broadband IT Korea 25 Agenda Item 1.16 - (3) Resolution 671 [COM6/11] (WRC 07) : Recognition of systems in the meteorological aids service in the frequency range below 20 kHz resolves 1to invite ITU-R to conduct, and complete in time for WRC 11, the required studies leading to technical and procedural recommendations to the Conference enabling it to decide on an appropriate method of providing recognition to long-established systems, including the possibility of making an allocation to the meteorological aids service in the frequency range below 20 kHz; 2that the studies referred to in resolves 1, without placing constraints on existing services operating in accordance with the Radio Regulations, shall include sharing and compatibility studies with services already having allocations in potential spectrum for systems in the meteorological aids service taking into account the needs of other services,

26. Broadband IT Korea 26 AI 1.24 to consider the existing allocation to the meteorological-satellite service in the band 7 750 7 850 MHz with a view to extending this allocation to the band 7 850-7 900 MHz, limited to non-geostationary meteorological satellites in the space-to-Earth direction, in accordance with Resolution 672 [COM6/20] (WRC 07); Resolution 672 [COM6/11] (WRC 07) : Extension of the allocation to the meteorological-satellite service of the band 7 750-7 850 MHz NOTE Responsible group WP 7B Concerned group WP 5C, (WP 5A), (WP 5B) Agenda Item 1.24

27. Broadband IT Korea 27 7750MHz 7850MHz 7900MHz ITU-R Radio Regulations FS, Meteorological Satellite(s-E, Non-GSO), MS(except aeronautical) FS, MS(except aeronautical) Required Allocation Non-GSO MSS 50 MHz Extended Agenda Item 1.24

28. Broadband IT Korea 28 Agenda Item 1.24 - (1) EUR/ 10A25/2 WRC-07 WRC-11 AI 1.24 NOTE Responsible group WP 7B Concerned group WP 5C, (WP 5A), (WP 5B

29. Broadband IT Korea 29 EUR to consider the existing allocation to the meteorological satellite service in the band 7 750-7 850 MHz with a view to extending this allocation by up to 100 MHz limited to non geostationary meteorological satellites in the space to Earth direction to provide up to a maximum of 200 MHz of contiguous spectrum; Agenda Item 1.24 - (2) WRC-07 Agenda Item 7.2 WRC-11 AI 1.24 to consider the existing allocation to the meteorological-satellite service in the band 7 750 7 850 MHz with a view to extending this allocation to the band 7 850-7 900 MHz, limited to non-geostationary meteorological satellites in the space-to-Earth direction, in accordance with Resolution 672 [COM6/20] (WRC 07);

30. Broadband IT Korea 30 Agenda Item 1.24 - (3) Resolution 672 (Rev.WRC 07) : Extension of the allocation to the meteorological-satellite service of the band 7 750-7 850 MHz resolves 1to invite ITU R to conduct sharing analyses between non- geostationary meteorological satellites operating in the space-to- Earth direction and the fixed and mobile services in the band 7 850-7 900 MHz with a view to extending the current allocation in the space- to-Earth direction to this band; 2to recommend that WRC review the results of the studies under resolves 1; 3to make appropriate modifications to the Table of Frequency Allocations with respect to resolves 1, based on proposals from administrations,