Posted by
Jeff Anderson-5 on
Jun 22, 2004; 3:24pm
URL: http://elecraft.85.s1.nabble.com/Dumb-dummy-load-question-tp368028p368037.html
Hi Eric,
I tried this once. The 10W 50 ohm resistors that I purchased at RS are
wirewound, and make a terrible load at RF frequencies. The higher the freq,
the worse they get.
For reference, I just grabbed one of my resistors, and made a few
measurements with the MFJ antenna analyzer:
3.75 MHz measures as 1.9 SWR
7.12 MHz measures as 3.2 SWR
14.1 MHz measures as 7.6 SWR
Your G5RV through a tuner probably IS closer to 50 ohms, but some
combination of carbon resistors (for a total of 50 ohms) would probably be
even better.
73,
Jeff Anderson KD7PAW
----- Original Message -----
From: "Eric Ward" <
[hidden email]>
To: <
[hidden email]>
Sent: Tuesday, June 22, 2004 7:32 AM
Subject: [Elecraft] Dumb(?) dummy load question
In an attempt to save pennies, I got a 10W 50 ohm resistor ($1.79 for two)
at the Shack and soldered it to a male BNC--I figured this would make a
serviceable QRP dummy load. The resistor checked out at 50.0 ohm on my DMM.
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