[time-nuts] wwvb antenna transmission Well harder then I might think.

Dana Whitlow k8yumdoober at gmail.com
Thu Sep 6 21:05:33 EDT 2018


Paul,

You really don't want to be building an antenna that radiates energy, which
is a far-field
concept.  In your case, at 30 ft range, you're so far inside the near field
that all the
antenna articles in the world won't help, since they address radiating into
the far field.
That's what WWVB needs to do, but not you.  I think what you want to do is
use a loop
that is no larger than your house, preferably smaller, and push enough
power into it
to achieve your range goal (but not any further).

Dana


On Thu, Sep 6, 2018 at 6:21 PM paul swed <paulswedb at gmail.com> wrote:

> Working on the wwvb simulator and it works really well. On to the last
> piece. Transmission over maybe 30 ft.
> Ever notice everyone that makes a simulator has the clock on top?
> Well thats because its pretty hard to get a 60 KHz signal actually out.
> Even though I know loopsticks are not great transmit antennas that was the
> first attempt. Hey what they say is true, Bad.
> Next will be the loose wire over the distance. More likely a spare phone
> wire pair that runs all over the house.
> Just some humor.
> I have found a ton of online articles on vlf antennas and such. Heck seems
> like its time to read them.
> Regards
> Paul
> WB8TSL
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