Topband: Big 160m openings just before K index spikes

[Tim Shoppa]

I don't think it's just topband. I've observed exceptionally good
conditions right before a solar disturbance hits earth, on any and all
bands.

Tim N3QE

On Tue, Dec 5, 2017 at 12:22 AM, Bob Lawson N6RW <n6rw at cox.net> wrote:

> Is it just my imagination or have others noticed big 160 meter openings -
> hours before big K index spikes?
>
> It seems that several times, we have had big openings into Europe and Asia
> from out here in Arizona and my hopes of having a great opening the next
> night was ruined by a big geomagnetic storm. Last Saturday morning, the JAs
> were quite weak here.  Sunday morning, several Asians had good signals.
> BD4WN was the loudest I'd ever heard him and JA3YBK was 10 over 9 at
> sunrise until 15 minutes past sunrise.  He was still solid 45 minutes after
> sunrise.  Sunday night, I heard the first EU Russian since getting on TB
> almost three years ago.  I was looking forward to a great post-contest
> Monday night and bang - the K index jumped up to 4 - just like a few weeks
> before.  I heard no Asian signals this morning and so far no EU on 160
> tonight (Monday night).
>
> 73 all de Bob N6RW Prescott AZ
>
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