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ITU-R WP1A C

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Spectrum engineering techniques

Results:22 total items.

Contributions [ Source: Japan ]
	Number	Title	Source	AI/Question	Date
	[ 369 ]	Proposed contents of the revision of Annex 8 to Recommendation ITU-R SM.1541-3 for promoting more efficient use of frequency spectrum	Japan	211/1	2011-05-18
	[ 294 ]	Proposed contents of Annex 8 to Recommendation ITU-R SM.1541-2 for promoting more efficient use of frequency spectrum	Japan	211/1	2010-06-14
	[ 293 ]	Proposed modifications to Report ITU-R SM.2158 - Characteristics of radio frequency emission from PLT systems	Japan	221-1/1	2010-06-14
	[ 292 ]	Proposed modifications to Report ITU-R SM.2158 - Experimental results of a subjective assessment test on HF broadcast reception interfered with by PLT	Japan	221-1/1	2010-06-14
	[ 291 ]	Proposed modifications to preliminary draft new Recommendation ITU-R SM.[PLT]	Japan	221-1/1	2010-06-14
	[ 245 ]	Proposed modifications to Report ITU-R SM.2158-Impact of power line telecommunication systems	Japan		2010-01-25
	[ 244 ]	Proposed modifications to Report ITU-R SM.2158 - Experimental results of a subjective assessment test on HF broadcast reception interfered with by PLT	Japan		2010-01-25
	[ 243 ]	Calculation of cumulative electric field strength of interference waves from PLT systems on shortwave band ionosphere propagation	Japan		2010-01-25
	[ 242 ]	Comments on further work on the PDNR "Power line high data rate telecommunication systems"	Japan	221/1	2010-01-25
	[ 220 ] (Rev.1)	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	2010-01-12
	[ 198 ] (Rev.1)	Comments on the Liaison statement from WP 6A - Impact of power line telecommunication systems on radiocommunication systems operating in the LF, MF, HF and VHF bands below 80 MHz	Japan		2009-09-09
	[ 196 ]	Results on calculation of the cumulative HF sky-wave interference from power line telecommunication systems	Japan		2009-09-09
	[ 172 ]	Preliminary draft new Report regarding Question ITU-R 210-2/1 power transmission via radio frequency beam (wireless power transmission)	Japan Aerospace Exploration Agency (JAXA)	210-2/1	2009-09-07
	[ 118 ]	Technical trend on active services in the band between 275 GHz and 3 000 GHz	Japan		2009-02-18
	[ 117 ]	Comments on the studies of PLT systems (Doc. 1A/90) - Experimental results of the subjective assessment test on HF broadcast reception interfered with by PLT	Japan		2009-02-18
	[ 116 ]	Comments on Working Document towards PDN Report on PLT systems (Doc. 1A/62, Annex 4) - Measurements of the radiated emissions from in-house power line telecommunications systems into the residential environment	Japan		2009-02-18
	[ 115 ]	Comments on the working document towards a preliminary draft new Report - Power line telecommunications systems (Doc. 1A/62, Annex 4) - The accuracy of section 5.2 and modification of Figure A-13	Japan		2009-02-18
	[ 111 ]	Preliminary draft new Report regarding Question ITU-R 210-2/1 - Power transmission via radio frequency beam (Wireless power transmission)	Japan Aerospace Exploration Agency (JAXA)	210-2/1	2009-02-18
	[ 110 ]	Reply to liaison statement from WPs 3L and 3M	Japan Aerospace Exploration Agency (JAXA)	210-2/1	2009-02-18
	[ 54 ]	CISPR22 - Limits and method of measurement of broadband telecommunication equipment over power lines	Japan		2008-06-11
	[ 53 ]	Comments on the working document toward a preliminary draft new report - Power line telecommunications systems (Doc. 1A/163, Annex 6) - Addition of information on PLT characteristics	Japan		2008-06-11
	[ 52 ]	Comments on the working document toward a preliminary draft new report - Power line telecommunications systems (Doc. 1A/163, Annex 6) - Basis of the acceptable interference level	Japan		2008-06-11
Results:22 total items.

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