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Topband: Big 160m openings just before K index spikes

Subject: Topband: Big 160m openings just before K index spikes
From: Bob Lawson N6RW <>
Date: Mon, 4 Dec 2017 22:22:23 -0700
List-post: <>
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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