[AMRadio] Dummy Load


Bob Peters rwpeters at swbell.net
Thu May 15 17:11:02 EDT 2008


That is almost as good as the Bucket of OHMS that we used to send newbe
students to get in Signal School...Would take them all day and end up in
the Commanders Office which was a one star...

Bob W1PE..
The new owner of a GATES BC1G

-----Original Message-----
From: amradio-bounces at mailman.qth.net
[mailto:amradio-bounces at mailman.qth.net] On Behalf Of Bob Macklin
Sent: Thursday, May 15, 2008 4:01 PM
To: Discussion of AM Radio in the Amateur Service
Subject: Re: [AMRadio] Dummy Load

We used to use a couple of aluminum plates in a bucket of salt water.

Bob Macklin
K5MYJ
Seattle, Wa,
"Real Radios Glow in the Dark"

----- Original Message ----- 
From: "Jim Wilhite" <w5jo at brightok.net>
To: "Discussion of AM Radio in the Amateur Service"
<amradio at mailman.qth.net>
Sent: Thursday, May 15, 2008 1:35 PM
Subject: Re: [AMRadio] Dummy Load


> Just wet one finger and touch the antenna port then grab the cabinet
> with the other
> ----- Original Message ----- 
> From: "Rick Brashear" <rickb at tx.rr.com>
> To: "'Discussion of AM Radio in the Amateur Service'"
> <amradio at mailman.qth.net>
> Sent: Thursday, May 15, 2008 1:34 PM
> Subject: [AMRadio] Dummy Load
>
>
> >I know this has been beaten to death many times, but for the sake of
an
> >old
> > man with a bad memory could we discuss the most economical (very
> > important)
> > way to provide a dummy load for testing a broadcast transmitter.  I
> > have a
> > few Cantennas, but they get hot real quick at 1000 watts and I'd
like
> > something I could be a little more confident in.  If I were to use
the
> > proper number of series/parallel non-inductive resistors at say 100
> > watts
> > each, what kind of support system would be best to insure at least a
> > one
> > minute key down time?  Would immersing them in oil or attaching them
> > to heat
> > dissipating metal with a blower be the better choice?
> >
> >
> >
> > Thanks for any and all advice you may offer..
> >
> >
> >
> > Rick/K5IAR
> >
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