could someone tell me if the tip or ring of the 2.5 plug is used on th d710a head for gps data into the radio, ie out of the gps vk4tec -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.tapr.org/pipermail/aprssig_lists.tapr.org/attachments/20091103/b302c6da/attachment.html>