[Elecraft] W8FGU case for Elecraft DL

[Rose]

See W8FGU near bottom of Elecraft website front page for a nice case for
the Elecraft mini-module DL.

73

Ken - K0PP

On Dec 27, 2016 14:24, "Bill Johnson" <k9yeq at live.com> wrote:

Easiest solution, buy the Elecraft DL1 20 watt dummy load kit.  The guess
work is removed.  And it is only $25.95 for the kit.  Fun to build simple
to use.  Even has an RF detector built on.

73,
Bill
K9YEQ

-----Original Message-----
From: Elecraft [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of
Walter Underwood
Sent: Tuesday, December 27, 2016 12:42 PM
To: elecraft at mailman.qth.net
Subject: Re: [Elecraft] Dummy loads for dummies

If you want a dummy load kit for about as much as you would pay for the
box, I highly recommend the Oak Hills Research RFL-100 kit for $40.

http://www.ohr.com/rfl100.htm <http://www.ohr.com/rfl100.htm>

I used their “BNC in a UHF connector hole” kit to make my dummy load more
convenient in my all-BNC shack.

http://www.ohr.com/parts.htm <http://www.ohr.com/parts.htm>

wunder
K6WRU
Walter Underwood
CM87wj
http://observer.wunderwood.org/ (my blog)

> On Dec 27, 2016, at 9:41 AM, Mel Farrer via Elecraft <
elecraft at mailman.qth.net> wrote:
>
> Yes, and you should test the dummy load at the highest frequency you will
be using it.  Even leaded non-inductive resistors will have a reactive
component at higher frequencies.
> Frankly, I usually test them above the max frequency I intend to use it
to not have any concern about error.
>
> Mel,  K6KBE
>
>
>      From: Ryan Noguchi via Elecraft <elecraft at mailman.qth.net>
> To: Paul C <paulc22 at sbcglobal.net>; "elecraft at mailman.qth.net"
> <elecraft at mailman.qth.net>
> Sent: Tuesday, December 27, 2016 8:16 AM
> Subject: Re: [Elecraft] Dummy loads for dummies
>
>> I made my own dummy load last night from two 100 ohm resistors wired in
parallel.  They are rated for 10 watts each and look like little bricks.  I
measured the resistance at 51 ohms.  Do you think this is close enough or
should I reduce it to 50?
>
>
>
>> Paul KG5KXG
>
>
> If your impedance is really 51 ohms, that's an SWR of 1.02. If your
antenna had an SWR of 1.02, would you trim it to get to 1.00, fire up your
tuner, or just start operating?
>
> However, some of those resistors that look like bricks are really coils
(inductors) inside, which produce a higher impedance than the DC
resistance. Under RF excitation, that dummy load may be well above 51 ohms
impedance.
>
> 73, Ryan AI6DO
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