I had several PMs for my 6m gainmaster dimensions so here they are.
Thanks go to PSYDOC for the original work on the 11 meter gainmaster.http://www.transmission1.co.uk/viewtopic.php?f=29&t=33050&hilit=siro+gainmaster
Thanks go to PSYDOC for the original work on the 11 meter gainmaster.http://www.transmission1.co.uk/viewtopic.php?f=29&t=33050&hilit=siro+gainmaster