RE: [Elecraft] Dummy Loads and SWR

2005-06-09 Thread Ron D'Eau Claire
After my post yesterday about the accuracy of the Heath "Cantenna" dummy load being found to be "off value", I started wondering about the original specifications and did a little search. Heath spec'd the Cantenna as having a VSWR of "<1.5:1" across the HF range. Now, if the reactance is neglig

Re: [Elecraft] Dummy Loads and SWR

2005-06-09 Thread G3VVT
I mistakenly gave the wrong christian name for G5RV in reply. Was pointed out correctly by Peter, G3PDL that it was Louis Varney. Reg Varney was a more infamous UK TV personality of the past. Senility creeps up on you and you don't know it is happening until too late! Bob, G3VVT __

Re: [Elecraft] Dummy Loads and SWR

2005-06-08 Thread G3VVT
In a message dated 08/06/05 17:50:09 GMT Daylight Time, [EMAIL PROTECTED] writes: 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 or

RE: [Elecraft] Dummy Loads and SWR

2005-06-08 Thread Ron D'Eau Claire
Steve K4JPM wrote: "...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 an

[Elecraft] Dummy Loads and SWR

2005-06-08 Thread 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