[Hammarlund] Old Hammalunds

[Kenneth G. Gordon]

On 13 Apr 2011 at 9:41, David Wise wrote:

> Yep, I sweep-aligned my SP600.
> I drove it with an HP 8601A Sweeper, and
> hooked a scope to the IF OUT jack.
> The envelope height was different for each of the
> three LC bandwidth settings, but the area was the same.

According to an old Elmer I had when I was young (Woody Davey W7CJB) 
who was the head of electronics for the FAA in Missoula, Montana, as the 
passband is narrowed, the "S" meter should read higher since the S/N ratio 
is improved.

Ken W7EKB