[Elecraft] Dummy Loads and SWR

[Steve & Anne Ray]

Just a thought on dummy loads, a number of years ago I noticed my Heath
Cantenna was giving me a slightly higher SWR reading instead of 1 to 1.
When I measured it with a VTVM I found it was 40 ohms, not the original 50
ohms when I built it 25 or so years ago.  I posted this on the Heath users
Email list and received around 5 or 6 replies all with the same condition of
40 ohms.   The interesting point is that my dummy load has never seen more
then 100 W; as I have never have and probably never will own a KW.   Several
of the replies I received from the Heath users group also had never run a KW
into their Heath cantenna's.

Last year a Dayton I picked up a dummy load, which is a 50 ohm it is 10 or
20 W resistor on a massive heat sink, and easily handles 100 W, designed for
use on VHF, it is flat across the bands, at least from 1.8 to 30 MHz.   

By the way I also have several hb dummy loads for QRP which I know are also
50 ohms.

Steve Ray K4JPN ex K1VKW
EM82ep Warner Robins GA
Elecraft K2 1422 & KPA-100
Heath Fan HW-101, HW-8
http://www.thewinstonator.com/k4jpn.htm