Category Archives: Propagation

Don’t know that I’ve ever seen this before…

Posted on July 7, 2016 by robert

Day and night, all HF bands are “Poor”

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DXCC Update for June

Posted on July 2, 2016 by robert

Not much of a change in the last month, pretty much matching the sharp decline in solar activity as the cycle fades into history. So in the past month, one new country has been added, bringing the total to 255 … Continue reading →

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Goodbye Solar Cycle 24

Posted on January 20, 2016 by robert

Goodbye Solar Cycle 24, you were fun while you lasted! Propagation is really impacting the K5P (Palmyra Island), VP8STI (South Sandwich Island), and VP8SGI (South Georgia Island), DXpeditions. I note that solar levels appear to be somewhat higher than when I … Continue reading →

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K1 Assembly Complete

Posted on January 1, 2016 by robert

I completed and installed the two coils in 50 minutes.  I then spent another 40 minutes doing the TX tests and alignment.  That brings the total time to 25.75 hours. The initial transmitter testing went well, with coils almost peaked … Continue reading →

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Christmas Tree Antenna

Posted on December 21, 2015 by robert

WA1ABI, John, in Portsmouth invented a new mode a couple of years back — Christmas Tree to Christmas Tree QRP.  Today I had my outside tree wired up to a remote antenna tuner and gave the XMT2XMT mode a try. … Continue reading →

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December Triple Play

Posted on December 4, 2015 by robert

I try to make at least one needed DX or stateside contact every month.  Some months are easier than others, mostly depending on how busy I am with other things.  Recognizing that I hadn’t made any December QSOs yet, and … Continue reading →

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Cycle 24 Musings and Goal Review for 2015

Posted on July 1, 2015 by robert

The planet took a beating about ten days ago from Sunspot 2371, which produced one of the larger geomagnetic disturbances of the Cycle 24 when the CME hit the earth around noon local time on June 22.  This event and several others … Continue reading →

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Cycle 24 Keeps on Trucking

Posted on January 31, 2015 by robert

Solar Cycle 24, weak and unimpressive by most counts, is at least hanging in there, with a SFI of 157 and a MUF of 30 MHz on this, the last day of January 2015.  In fact, I was shocked last night … Continue reading →

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How many X-Class Solar Flares Can Come From One Region?

Posted on October 27, 2014 by robert

Six and counting (along with 17 M-Class Flares): X1.1 10/19 X1.6 10/22 X3.1 10/24 X1.0 10/25 X2.0 10/26 X2.0 10/27 This morning marked the sixth X-Class Solar Flare erupting from Solar Region 2192.  Amazingly enough, none of these flares have produced … Continue reading →

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Amazingly High Attenuation

Posted on September 12, 2014 by robert

A series of solar flares in X/M have really messed up the ionosphere.  On top of that one Earth-directed CME struck about 12 hours ago and another larger one is due any moment. I don’t recall seeing Attenuation levels this … Continue reading →

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