[Johnson] T/R relay

[manualman at juno.com]

In receive, it's also a preamp offering about 3 to 6.5 db of gain from
roughly 2.7 MHz to about 24 MHz. At least that's the readings I got when
I swepted both of my Johnson T/R switches.

Pete, wa2cwa
http://www.manualman.com


On Wed, 10 Jul 2013 19:21:26 -0400 Bill Cromwell <wrcromwell at gmail.com>
writes:
> On 07/10/2013 06:08 PM, Carl wrote:
> >
> > Perhaps the simplest approach is the Johnson 250-39 Electronis T/R 
> 
> > switch which is rated to 4000W PEP. I havent run mine beyond 2000W 
> PEP 
> > on AM and its none the worse for wear.
> >
> > Carl
> > KM1H
> Gosh Carl,
> 
> I have one of those 250-39 gizmos and it works well with my Johnson 
> 
> Ranger. I have a PDF copy of the manual but I must have not been 
> paying 
> attention. I had no idea It would handle that much power! I looked 
> again 
> and it's right there in black and white - jumped right off the page 
> at 
> me. I think it's perfectly safe with my Ranger.
> 
> Thanks for pointing that out.
> 
> 73,
> 
> Bill  KU8H