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ITU-R WP5B C

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Maritime mobile service including Global Maritime Distress and Safety System (GMDSS); aeronautical mobile service and radiodetermination service

Results:31 total items.

Contributions [ Source: Japan ]
	Number	Title	Source	AI/Question	Date
	[ 796 ]	Elements of future modification to Recommendation ITU-R M.1874 "Technical and operational characteristics of oceanographic radars operating in sub-bands within the frequency range 3-50 MHz" - New role of oceanographic radar application to detect resonant response of tsunami	Japan		2011-11-01
	[ 795 ]	Proposed modification to preliminary draft new Recommendation ITU-R M.[500 kHz] - Characteristics of a digital system for broadcasting maritime safety and security related information from shore-to-ship in the 500 kHz band	Japan		2011-11-01
	[ 794 ]	Information document towards a preliminary draft revision to Recommendation ITU-R M.1842-1	Japan		2011-11-01
	[ 793 ]	Proposal for modification of preliminary draft new Report ITU-R M.[UAS-BANDS-NEW-ALLOC 5000-5010 AND 5010-5030 MHZ]	Japan		2011-11-01
	[ 790 ]	Proposed modification to Recommendation ITU-R M.1371-4 - Technical characteristics for an automatic identification system using time-division multiple access in the VHF maritime mobile band	Japan		2011-11-01
	[ 716 ]	Draft revision of Recommendation ITU-R M.1173 - Technical characteristics of single-sideband transmitters used in the maritime mobile service for radiotelephony in the bands between 1 605.5 kHz (1 605 kHz Region 2) and 4 000 kHz and between 4 000 kHz and 27 500 kHz	Japan		2011-06-06
	[ 715 ]	Draft revision of Recommendation ITU-R M.1084-4 - Interim solutions for improved efficiency in the use of the band 156-174 MHz by stations in the maritime mobile service	Japan		2011-06-06
	[ 714 ]	Proposal for editorial updating of Recommendations ITU-R M.1081 and ITU-R M.1082-1	Japan		2011-06-06
	[ 713 ]	Proposal for preliminary draft new Report - Consideration on improvement of the Frequency Table in Appendix 17 of the Radio Regulations for the introduction of new digital technologies for the maritime mobile service	Japan		2011-06-06
	[ 712 ]	Working document towards a preliminary draft revision to Recommendation ITU-R M.1842-1	Japan		2011-06-06
	[ 711 ]	Proposal of the modification of preliminary draft new Report ITU-R M.[UAS-BANDS-NEW-ALLOC]	Japan		2011-06-06
	[ 605 ]	Potential improvement in the concept of e-Navigation with additional information into standard radars	Japan		2010-11-01
	[ 604 ]	Proposed modification on a draft new Report ITU-R M.[OCEAN-RADARS] - Oceanographic radar interference mitigation techniques and spectrum efficiency improvements - Technical and operational considerations	Japan		2010-11-01
	[ 603 ]	Proposed modification on a draft new Report ITU-R M.[RLS 3-50 MHz SHARING] - The feasibility of sharing sub-bands between oceanographic radars and fixed and mobile services within the 3-50 MHz band	Japan		2010-11-01
	[ 602 ]	Comments to the liaison statement from IMO on guidance on the use of AIS Application Specific Messages	Japan		2010-11-01
	[ 601 ]	Working document toward a preliminary draft new Recommendation - VHF data link protocols for data communication systems in the maritime mobile service band	Japan		2010-11-01
	[ 600 ]	Proposal for draft revision to Report ITU-R M.2168 - Initial considerations on compatibility between a proposed new aeronautical mobile (R) service (AM(R)S) system and both radionavigation-satellite service (RNSS) operating in the 5 00-5 010 MHz band and radio astronomy in the adjacent band 4 990-5 000 MHz	Japan		2010-11-01
	[ 464 ]	Proposed revision of Annex 8 to Recommendation ITU-R SM.1541-2	Japan	202/5	2010-04-30
	[ 460 ]	Working document towards a draft new Report ITU-R M.[RLS 3-50 MHz SHARING]	Japan	240/5	2010-04-28
	[ 459 ]	Draft CPM text on WRC-12 Agenda item 1.15 - Chapter 2 Radiolocation and amateur issues	Japan		2010-04-28
	[ 402 ]	Design objective of future radar systems on roll-off mask of out-of-band domain emission limits for primary radar specified in Annex 8 to Recommendation ITU-R SM.1541-2	Japan	202/5	2009-11-16
	[ 401 ]	Proposed modification to working document towards draft CPM text on WRC-12 Agenda item 1.15	Japan		2009-11-16
	[ 400 ]	Proposed addition to working document towards a draft new Report ITU-R M.[RLS 3-50 MHz SHARING] regarding FMICW generic oceanographic directional radar	Japan	240/5	2009-11-16
	[ 399 ]	Proposed modification to preliminary draft new Recommendation ITU-R M.[HF-RADAR] - Technical and operational characteristics of oceanographic radars operating in sub-bands within the frequency range 3-50 MHz	Japan	240/5	2009-11-16
	[ 398 ]	Proposed liaison statement to Working Party 5A from Working Party 5B (copy to Working Party 5C for information) - Protection criteria and system parameters for land mobile systems operating between 3 and 50 MHz	Japan	240/5	2009-11-16
	[ 239 ]	Proposed liaison statement to Working Party 3L - Application of GRWAVE to HF oceanographic radar systems with directional antenna	Japan	240/5	2009-05-11
	[ 238 ]	Proposed liaison statement to Working Parties 5A, 5C, 6A, 7B and 7D from Working Party 5B - Protection criteria of existing services in 3-50 MHz	Japan	240/5	2009-05-11
	[ 237 ]	WRC-11 Agenda item 1.15: Additional text for working document toward PDN Report ITU-R M.[RLS 3-50 MHz SHARING] on a method for estimating the sharing conditions between HF oceanographic radars and existing services in 3-50 MHz based on distance separation	Japan	240/5	2009-05-11
	[ 236 ]	WRC-11 Agenda item 1.15: Additional text for working document toward PDN Report M.[RLS 3-50 MHz SHARING] on application of GRWAVE to HF oceanographic radar systems with directional antenna	Japan	240/5	2009-05-11
	[ 235 ]	WRC-11 Agenda item 1.15: Additional text for working document - Toward PDN Report ITU-R M.[RLS 3-50 MHz SHARING] on characteristics and protection criteria of systems operating in existing services in 3-50 MHz	Japan	240/5	2009-05-11
	[ 21 ]	Working document towards a preliminary draft new Recommendation ITU-R M.[HF-RADAR] - Technical and operational characteristics of the high-frequency oceanographic radars operating in the sub-bands of frequency range from 3 to 50 MHz in Japan	Japan	240/8	2008-01-28
Results:31 total items.

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