[Hammarlund] RE: Hammarlund Digest, Vol 51, Issue 7

[Roy Morgan]

On Apr 10, 2008, at 11:02 AM, John Hensley wrote:
> Also would appreciate someone explaining nomenclature for the IERC  
> tube shields.  Are there shield type letters distinguishing 7 and 9  
> pin (diameter differences), 6AL5 vs OA2 (short versus tall) ??

John,

There is a list of IER tube shield numbers and what is required for  
the R-390A.  Search on Chuck Rippel's site and also "the R-390A FAQ"  
site whatever that is.  You could also google for "IERC Tube shield  
list"  or "... shield numbers"

Roy
K1LKY