1. Japan National report 2007-2008

2. ITU-R activities WP7D attended all meeting TG1/9 (AI1.21) done UWB – 24 GHz issue is going on Registration of telescopes JP admin. has not yet register new RA telescopes in Japan – it is revising the criterion for the RA telescopes to be protected

3. UWB UWB (<10 GHz) –Japan mask adopted –Regulatory measures adopted –RAS problem has not been solved yet separation distance ~ 15 km only 3 sites the admin. is friendly to UWB proponents –RAS expressed objection –No market penetration

4. US/EU Masks vs ITU limits RAS

5. Power Line Communication –In 2002 admin concluded not to introduce PLC because of too strong interference. –Discussion resumed in 2005; many objections a politician pressured the admin –In 2006 admin adopted a regulation consistent with the CISPR 22 class B level (Common mode current = 10-20 dB  A) for the leaked field not exceed the environmental noise –Large excess has been observed

6. Panasonic BL-PA100 (HD-PLC) Leaked Field and CMI

7. Panasonic BL-PA100 (HD-PLC) Leaked Field and CMI (enlarged)

8. Logitec LPL-TX (UPA) Leaked Field and CMI 42= 18+24 38=18+20 Even the CMI complies, the field excess is more than 20dB

9. Logitec LPL-TX (UPA) Idle Leaked Field and CMI 35= 18+17 Big noise dues to PLC in the entire HF band !

10. Hikarinets CNC-1000 (HomePlug) Leaked Field and CMI 45= 18+27 17=10+7

11. These results were submitted to a EMC conference held in Hamburg (Sep. 2008). Amateur radio people refer to our results, and may submit a contribution to WP1A.