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Showing posts with label Propagation. Show all posts
Showing posts with label Propagation. Show all posts
Tuesday, August 28, 2018

Sunspots

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From Tom DF5JL on the UDXF newsgroup: The weekend was really good for surprises: Although solar wind speeds were low, the storms we obser...
Thursday, July 12, 2012

X-Flare - Earth Facing

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UPDATE, 3:30 p.m.: NOAA’s Space Weather Prediction Center (SWPC) just posted the following: The R3 (Strong) Radio Blackout today at 12:49 ED...
Wednesday, March 07, 2012

Breaking News: X5 Flare

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GEOMAGNETIC STORM UPDATE: A CME propelled toward Earth by this morning's X5-class solar flare is expected to reach our planet on March 8...
Tuesday, August 09, 2011

Biggest Slar Flare in 4 years -- X-7

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The Aug 9, 2011 eruption on the Sun that produced a X-7 class flare caused a temporary blackout of high frequency radio transmissions on the...
Wednesday, March 02, 2011

Researchers Crack the Mystery of the Missing Sunspots

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Maybe we finally have some answers to the prolonged Solar Cycle 23 minimum. Below is from the NASA Science website relased this afternoon. W...
Sunday, February 27, 2011

Space weather team readies for upcoming solar max

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Staff Sgt. Matthew Money monitors the near earth space environment at the 2nd Weather Squadron's space weather operations center located...
Thursday, February 17, 2011

Active Geomagnetic Activity Due at Any Time

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The first interplanetary shock, driven by the CME from Sunday, is expected any time. Soon thereafter, the shock from Monday evening's R3...
Thursday, January 27, 2011

M1.4 Magnitude X-ray Flare 28 January 2011

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From: "Tomas Hood (NW7US)" At 0104 UTC, 28 January 2011, an X-ray flare with a flux magnitude of M1.4 erupted, unleasing a coronal...
Monday, January 17, 2011

Thunderstorms Make Antimatter

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Could this be the vehicle that creates the e-skip we use in the late Spring and Summer for VHF (10 meter and above) skip. Sure is an intrigu...
Tuesday, August 03, 2010

Propagation Alert: Will it hit Earth?

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On August 1, 2010, the Solar Dynamics Observatory (SDO) observed a beautiful prominence eruption that may hit Earth and cause a geomagnetic ...
Wednesday, November 18, 2009

Yet Another New Solar Cycle 24 Sunspot Group

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Posted Sunday November 15, 2009 at http://www.wcflunatall.com/nz4o4.htm Yesterday yet another solar cycle 24 sunspot group emerged, this ti...
Tuesday, October 27, 2009

10.7-cm flux - highest yet in current Sunspot Cycle 24

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It just keeps getting better! During the CQ WW Contest weekend, the solar flux climbed into the upper 70's. But, as this week unfolds,...
Monday, October 26, 2009

Best Solar Prop Shop on the Net

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If you are looking for the latest and greatest propagation and solar information I highly recommend the Solarcycle24.com website. VE3EN has ...
Saturday, September 05, 2009

Are Sunspots Disappearing?

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Another day with a spotless sun. Author: Dr. Tony Phillips | Credit: Science@NASA The sun is in the pits of the deepest solar minimum in nea...
Wednesday, October 01, 2008

Spotless Sun: Blankest Year of the Space Age

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Astronomers who count sunspots have announced that 2008 is now the "blankest year" of the Space Age. As of Sept. 27, 2008, the sun...
Friday, December 14, 2007

Is a New Solar Cycle Beginning?

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By Dr. Tony Phillips courtesy of Science@NASA The solar physics community is abuzz this week. No, there haven't been any great eruptions...
Thursday, August 02, 2007

First 40 MHz Amateur Radio Propagation Beacon On The Air

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For VHF amateur radio operators and scanner enthusiasts this beacon could be a great propagation tool. Thanks to QRZ.com, M5AKA, AA7BQ, and ...