Hi all, Hereunder is a link to an usefull system to count the echoes produced on a radio. http://www.qsldot net/ea4eoz/counter.html Enjoy it, John ON4EU The archive and Web site for our list is at http://www.meteorobs.org To stop getting all email from the 'meteorobs' lists, use our Webform: http://www.meteorobs.org/subscribe.html