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ITU-R WP5B-AR

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

Results:20 total items.
Contributions  [ Source: Japan ]   Documents / Contributions
 
Number 
Received Source Title Questions
[ 418 ]  
 
2014-05-12 Japan   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 fo sharing studies     N/A  
[ 417 ]  
 
2014-05-12 Japan   Proposed modification to working document towards - Draft CPM text on WRC-15 agenda item 1.16     N/A  
[ 416 ]  
 
2014-05-12 Japan   Proposed modification to working document towards - Draft CPM text on WRC-15 agenda item 1.15     N/A  
[ 415 ]  
 
2014-05-12 Japan   Guidelines for the use of spectrum by oceanographic radars in the frequency range 3 to 50 MHz     240/5  
[ 306 ]  
 
2013-11-11 Australia , China (People's Republic of) , Japan , Korea (Republic of) , New Zealand , Viet Nam (Socialist Republic of)   Working document towards discussions on WRC-15 agenda item 1.16     N/A  
[ 293 ]  
 
2013-11-11 Japan   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     N/A  
[ 292 ]  
 
2013-11-11 Japan   Proposal for revision of Recommendation ITU-R M.493-13 - Digital selective-calling system for use in the maritime mobile service     N/A  
[ 291 ]  
 
2013-11-11 Japan   Proposed draft reply liaison statement to Working Party 1A - Continuing studies towards improved out-of-band roll-off for radars to enhance spectrum efficiency     N/A  
[ 290 ]  
 
2013-11-11 Japan   Comment to development of a database of oceanographic radars     N/A  
[ 289 ]  
 
2013-11-11 Japan   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     N/A  
[ 288 ]  
 
2013-11-11 Japan   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     N/A  
[ 279 ]  
 
2013-11-11 Australia , China (People's Republic of) , Japan , Korea (Republic of) , New Zealand   Working document towards discussions on agenda item 1.16     N/A  
[ 177 ]  
 
2013-05-13 Japan   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     N/A  
[ 176 ]  
 
2013-05-13 Japan   Proposal for regional channel allocation for VHF data exchange - WRC-15 Agenda item 1.16     N/A  
[ 175 ]  
 
2013-05-13 Japan   Consideration on revision of 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     N/A  
[ 92 ]  
 
2012-10-29 Japan   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     N/A  
[ 91 ]  
 
2012-10-29 Japan   Need for additional channels for AIS linked to WRC-15 Agenda item 1.16     N/A  
[ 90 ]  
 
2012-10-29 Japan   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     N/A  
[ 4 ]  
 
2012-05-11 Japan   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"     N/A  
[ 3 ]  
 
2012-05-11 Japan   Working document toward a preliminary draft new Recommendation - Systems characteristics for 79 GHz band automotive short-range high-resolution radars     N/A  
Results:20 total items.
 
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