> What power is required is determined by what antenna(s) are used.... 6" or shorter stubby much preferred. Looking through a couple of catalogues some are quoted as having gains of 3dB or 4.5dB. Now I'll have to pick a frequency to suit Thanks to RF Jim I've got a practical resource to hopefully fill in a few blanks http://www.webbworks.com/crstrode/calcs/rfcalcs.htm -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body