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UIT-R�WP5B

Service mobile maritime, y compris le Syst�me mondial de d�tresse et de s�curit� en mer (SMDSM); service mobile a�ronautique et service de radiorep�rage

Resultats:22 documents
Contributions �[�Source:�Japan�]���Documents / Contributions

Num�ro
Titre Source AI/Question
Date
[ 854 ]
Proposed modification to preliminary draft revision of Recommendation ITU-R M.493-13 - Digital selective-calling system for use in the maritime mobile service � Japan 2015-06-29
[ 740 ]
Proposed modification to the working document towards preliminary draft revision of Recommendation ITU-R M.1174-2 - Technical characteristics of equipment used for on-board vessel communications in the bands between 450 and 470 MHz � Japan 2014-10-20
[ 739 ]
Proposed modification to a preliminary draft new Report ITU-R M.[AUTOMOTIVE RADARS] - Systems characteristics and compatibility of automotive radars operating in the 77.5-78 GHz band or sharing studies � Japan 2014-10-20
[ 613 ]
Proposed modification to working document towards a preliminary draft new Report ITU-R M.[AUTOMOTIVE RADARS] - Systems characteristics and compatibility of automotive radars operating in the 77.5-78 GHz band of sharing studies � Japan 2014-05-12
[ 612 ]
Proposed modification to working document towards - Draft CPM text on WRC-15 agenda item 1.16 � Japan 2014-05-12
[ 611 ]
Proposed modification to working document towards - Draft CPM text on WRC-15 agenda item 1.15 � Japan 2014-05-12
[ 610 ]
Guidelines for the use of spectrum by oceanographic radars in the frequency range 3 to 50 MHz � Japan 240/5 2014-05-12
[ 438 ]
Proposed modification to working document towards a preliminary draft new Report ITU-R M.[AUTOMOTIVE RADARS] - Systems characteristics and compatibility of automotive radars operating in the 77.5-78 GHz band for sharing studies � Japan 2013-11-11
[ 437 ]
Proposal for revision of Recommendation ITU-R M.493-13 - Digital selective-calling system for use in the maritime mobile service � Japan 2013-11-11
[ 436 ]
Proposed draft reply liaison statement to Working Party 1A - Continuing studies towards improved out-of-band roll-off for radars to enhance spectrum efficiency � Japan 2013-11-11
[ 435 ]
Comment to development of a database of oceanographic radars � Japan 240/5 2013-11-11
[ 434 ]
Proposed draft liaison statement to Working Parties 5A and 5C - Station call-sign identification to be used by oceanographic radar in frequency band 3 to 50 MHz � Japan 240/5 2013-11-11
[ 433 ]
Proposed modification to working document towards a preliminary draft new Report - Guidelines for the use of spectrum by oceanographic radars in the 3 to 50 MHz frequency band � Japan 240/5 2013-11-11
[ 428 ]
Working document towards discussions on WRC-15 agenda item 1.16 � Australia , China (People's Republic of) , Japan , Korea (Republic of) , New Zealand 2013-11-11
[ 280 ]
Consideration on revision of a working document towards a preliminary draft new Report - Efficient spectrum use of oceanographic radars in frequency bands in the frequency range 3 to 50 MHz � Japan 240/5 2013-05-13
[ 279 ]
Proposal for regional channel allocation for VHF data exchange - WRC-15 Agenda item 1.16 � Japan 2013-05-13
[ 278 ]
Proposed modification to working document towards a preliminary draft new Report ITU-R M.[AUTOMOTIVE RADARS] - Systems characteristics and compatibility of automotive radars operating in the 77.5-78 GHz band for sharing studies � Japan 2013-05-13
[ 148 ]
Proposed modification to working document towards a preliminary draft new Report ITU-R M.[AUTOMOTIVE RADARS] - Systems characteristics and compatibility of automotive radars operating in the 77.5-78 GHz band for sharing studies � Japan 2012-10-29
[ 147 ]
Need for additional channels for AIS linked to WRC-15 Agenda item 1.16 � Japan 2012-10-29
[ 146 ]
Proposed draft revision of Recommendation ITU-R M.1874 - Technical and operational characteristics of oceanographic radars operating in sub-bands within the frequency range 3-50 MHz � Japan 2012-10-29
[ 16 ]
Working document toward a preliminary draft new Recommendation - Systems characteristics for 79 GHz band automotive short-range high-resolution radars � Japan 205/5 2012-05-11
[ 15 ]
Proposal of Addition to Recommendation ITU-R M.1874 "Technical and operational characteristics of oceanographic radars operating in sub-bands within the frequency range 3-50 MHz" � Japan 2012-05-11
Resultats:22 documents
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Mis � jour le :�2025-1-9