Did I omit the RO in my post? If so, me bad. My post was about the Lorenz RO15 which is receive only... the 15 b is a composite set according to another handbook. JohnWB6BLV -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://mailman.qth.net/pipermail/greenkeys/attachments/20190303/2d11a46c/attachment.html>