causes the adhesive to let go. If there is no source, maybe someone could find the exact formula for making your own. Don K4KYV To subscribe, write to AMRadio-subscribe at listbot.com Listserver Subscription:listserv at listserv.tempe.gov - "subscribe heath 'name' 'call'" Listserver Submissions: heath at listserv.tempe.gov Listserver Unsubscribe: listserv at listserv.tempe.gov - -"signoff heath"