On 3/31/2012 11:24 AM, Richard J. Fiero II W5TFW wrote: > the Umm,....... 8877 works PRETTY good if you ask ME ! The 3CX1200 is a much larger and far more rugged tube for those little mis-tuning accidents <:-)) Which is more stable, the D7 or Z7? 73 Roger (K8RI)