2011 Quadrantids Radio results
*The ZHR_r Profile
CHR_r means the number of meteors subtracted sporadics from total.
ZHR_r = CHR_r * 1/sin(h) (h:radiant elevation),(excluding h <
20deg.)
The sporadic meteor is calculated from past data of 10 days.
The time zone of zenith-effect corrects ZHR_r.
* only Japan
![](QUA-h-J.gif)
*ZHR_r(Solar Longitude)
* Worldwide( 1 hour)
![](QUA-h-w.gif)
* Worldwide( 1 day)
![](QUA-zD.gif)
* 2002 - 2011
![](QUA-p.gif)
*Thank you
The source data uses Radio Meteor Observatory's On Line
*Inquiry and opinion
I'm waiting for your opinion. E-mail ; Hirofumi Sugimoto