** Due to its loose tolerances and size, Cardwell Condenser's RAD is the most compact, least-likely to bind right-angle drive for vacuum-variable capacitors that I've come across. At $30, it's a barg
** I've heard of cases in the 2GHz range where it was found that back-bombardment was such that the heater potential could be removed shortly after nominal RF output was achieved -- i.e., the cathod
** The URL of my Web site has changed from www.vcnet.com/measures to: www.somis.org The old URL is good through September, 2003. My new e-mail adr is: r@somis.org The adr: 2@dock.net is still ok. che