[time-nuts] ES100 suddenly more sensitive in summer!

[paul swed]

Tim
I plan to listen for the Swedish station SAQ on Sunday at 17.2KHz. So
testing the equipment.
What I am seeing is that LED lighting in general is covering the low
spectrum with lots of noise. In fact in our town they just replaced every
street light with a bright harsh white LED Fixture.
So as a theory I wonder if what we expect at night, isn't true anymore
since the street lights are on all night.
I have not taken a listen yet to wwvb. But fear it will be some bad news.
Regards
Paul
WB8TSL

On Sat, Jun 29, 2019 at 11:00 AM Tim Shoppa <tshoppa at gmail.com> wrote:

> Interestingly enough, compared to my initial testing last winter, my ES100
> is suddenly much more likely to acquire and track WWVB in broad daylight.
> This morning it is acquiring from a cold start almost every time.
>
> (The "bad minutes" of course still don't work).
>
> Most likely reason would be some reduction in my local noise sources but
> wonder if something more propagation-wise is going on.
>
> For sure I expected 60kHz propagation from Colorado to Maryland to be more
> reliable in common darkness and in winter, and less reliable in summertime
> and common daylight, but perhaps this is a faulty mental model I have.
>
> Tim N3QE
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