Sorry for the confusion on my part. I had forgotten about your measurements being for the bifilar wound CMC, not a coax choke one.
G3TXQ said the RG-58 could be replaced with RG-400 with little change in performance. That's what I use. I can't remember its power rating but it's likely more than I'll ever need.?
One thing I don't understand is how to tell if the CMC choke is resistive at the frequency of interest.
Max KG4PID
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On Monday, February 8, 2021, 03:29:04 PM CST, David Eckhardt <davearea51a@...> wrote:
RG-58 is not appropriate for US amateur legal power.? I don't use it.
This is one of the main reasons I have chosen bifilar wound CMCs.
I have enough RG-142 (Teflon silver coated and double shielded 50-ohm coax
that will take power) to try one good choke wound in the manner of your
referenced presentation.? I can try that and present the results.
Dave - W?LEV
On Mon, Feb 8, 2021 at 7:33 PM Max via groups.io <kg4pid@...>
wrote:
? Your finding don't compare well with the data found here.
Look at the 12 and 17 turn on RG58.
Max KG4PID
? ? On Sunday, February 7, 2021, 01:16:30 PM CST, Mel Farrer via groups.io
<farrerfolks@...> wrote:
? Hi,? Dan,
My experience with the 240-31 core with 14 T RG 303 gives me ~7K at 160,
13K on 80/40, slowly rolling off to >4 K at 28 MHz Still >5 K on 12 .
Mel, K6KBE
? ? On Sunday, February 7, 2021, 10:53:04 AM PST, Dan Schaefer W3BU <
clancy.987@...> wrote:
? Don
Still curious about the 5k across 10 to 160?
Been reading the mail and has been fun but it isn¡¯t obvious to me you get
5k across the whole band?? When you get time it might be fun to discuss
your definitions for the 5k.
Have been enjoying the discussion threads but currently a bit time limited
to engage.
Enjoy.
Dan.? W3BU
On Jan 17, 2021, at 9:49 AM, Don - KM4UDX <dontAy155@...> wrote:
groups.io/g/nanovna-users/wiki
-=-=-
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*Dave - W?LEV*
*Just Let Darwin Work*
