Hi Dave!
Try this:
http://www.mif.pg.gda.pl/homepages/frank/sheets/061/p/P535-1E.pdfIt's a complete data sheet on the tube. This is the best tube data website on the internet,
in my opinion. Here's the address for the main page:
http://www.mif.pg.gda.pl/homepages/frank/Good luck...by the way, that's an interesting tube. I'd be interested to hear about your progress with
the rig you are planning, the design, performance, etc. Please keep in touch (if you have the time
and inclination, that is!). You can email me at:
shaw@swcp.com.
73,
Ken
W5KFS (ex-WB6VHE)