[Elecraft] Elecraft CW Net Announcement
David Hourdequin
drh at dremy.com
Sun Mar 13 08:19:05 EDT 2022
Good morning Kevin. 15 degrees here in WNC! I tried to play the videos but no joy. Is there something special I need to do to play them?
Tnx es 73, David, NS4V
> On Mar 12, 2022, at 10:02 PM, kevin <kevinr at coho.net> wrote:
>
> Good Evening,
>
> The sun is acting up. We are due for some effects from a CME sometime tomorrow afternoon. Hmm... the timing seems suspicious. A few large sunspot groups are moving around the limb of the sun. A few more are moving in from the other side. The sunspot number is a bit lower with flux at 127. I listened to a contest on twenty meters earlier today, conditions were so so with a lot of hiss.
>
> Winter and spring are in competition. A few days of sun, followed by snow and rain, then a day of sun, followed by more snow. I am glad I am not the forecaster :) Buds on my lilacs are getting green. Our burrowing rodents love to eat them so mine are in pots. They are from my grandfather's homestead in North Dakota. They are healthy and need to be transplanted into multiple new pots. I will try a cleaver to separate them.
>
>
> Please join us on (or near):
>
> 14050 kHz at 2300z Sunday (3 PM PST Sunday)
> 7047 kHz at 0030z Monday (4:30 PM PST Sunday)
>
> 73,
> Kevin. KD5ONS
>
>
>
>
> -
>
>
> I made some animated videos of how a sine wave fills a doublet during the first microsecond. That is long enough for a few full cycles at 7 MHz. You will see how resonant and non-resonant antennas react.
>
> Go here: http://bacona.design/bird.html
>
> It is a recycled web page so pay no attention to the name. Or view the source of the web page if you want to listen to bird songs, or me giving a demo lecture. The hidden structure is left as a palimpsest.
>
>
>
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NS4V
David R. Hourdequin, PE
828-421-6216
drh at dremy.com
www.dremy.com
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