Friday, December 26, 2014

G7IZU ALERT: Radio aurora is being reported at high-latitudes 04:19 UT

The attached map shows yellow arcs where amateur radio operators were reporting contacts via aurora during the past 30 minutes. The live real-time AU map is here: http://www.tvcomm.co.uk/radio/au_map_eu.html. The most recent auroral radio contacts can be seen here: http://amunters.home.xs4all.nl/auroralog.htm. Alert sent on Fri 26/12 at 04:19 UT

Wednesday, December 17, 2014

The grumpy old bear is stirring. Three "M" flares since midnight, one M8.7!

AR2242 fires off an M8.7 flare (center)

The sun has had a bad night, and has fired off several sizeable flares since midnight (UT).

AR 2242 is the most active spot region, with an M1.5 peaking at 01h10 UT, and a whopping M8,7 peaking at 04h51 UT. AR2241 joined in the fun at 01h50 UT with a large M1.1 flare.

Both active regions are large complex sunspot groups that are facing the earth. Any CMEs over the next couple of days will be earth-directed (oh, I really hate the term "geo-effective" so won't say that!)

AR2241 has a 25% probability for more M flares and 1% probability of X-flares in the next 24 hours. AR2242 has a 40% probability of M flares and a 10% probability of X flares in the next 24 hours.





Friday, December 12, 2014

The recent aurora seems to have ended

Real-time map: http://www.tvcomm.co.uk/radio/au_map_eu.html See the most recent auroral radio contacts here: http://amunters.home.xs4all.nl/auroralog.htm. Sent on Fri 12/12 at 17:22utc

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Radio aurora is being reported at high-latitudes 13:55 UT

The attached map shows yellow arcs where amateur radio operators were reporting contacts via aurora during the past 30 minutes. The live real-time AU map is here: http://www.tvcomm.co.uk/radio/au_map_eu.html. See the most recent auroral radio contacts here: http://amunters.home.xs4all.nl/auroralog.htm. Sent on Fri 12/12 at 13:55utc

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Wednesday, December 10, 2014

Geminids meteor detected via FM radio at 1689km by Mike Fallon.


On 8th December, Mike Fallon in East Sussex, UK, captured this massive three minute Geminid meteor scatter reflection from FM radio station ALG Radio Laghouat, Aflou in Algeria, on 87.6 MHz. The distance between the transmitter and his location was 1,689km.

This distance is pushing the limits of possible reception via meteor scatter, but Mike is running an extraordinary system.

Mike says his system consists of  a "Kenwood KT-6050 (80/110 kHz Murata filters) * Kenwood KT-6040 (80/110/150 kHz Murata filters) * Sony ST-SB920 (80/150 kHz Murata filters) * Sony XDR-F1HD (PC controlled via Seeeduino board & XDR-GTK software).


"P.K├Ârner designed 19.3 Yagi (horizontal)/K6STI 5 ele vertical yagi on same boom at 11m agl/92m asl ( http://www.ukdx.org.uk/fm/19_3_yagi.htm ) on a Tennamast 7.6m telescopic/tiltover mast
( http://www.ukdx.org.uk/fm/Tennamast.htm ) * CCW Multicoupler feeding the 4 tuners * RDS Spy v1.02r6 software via interface * RDS Spy v1.02r6 software via soundcard * RDSS v0400 software.

"The recordings on my YouTube are mostly made using my Sony XDR. This receiver does a great job in eliminating/reducing adjacent channel problems."

Mike's website includes a superb database and maps of Band 2 FM transmitters that he has received around Europe using different propagation modes. 

Monday, December 08, 2014

The recent aurora seems to have ended

Real-time map: http://www.tvcomm.co.uk/radio/au_map_eu.html See the most recent auroral radio contacts here: http://amunters.home.xs4all.nl/auroralog.htm. Sent on Mon 08/12 at 03:03utc

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Radio aurora is being reported at high-latitudes 01:03 UT

The attached map shows yellow arcs where amateur radio operators were reporting contacts via aurora during the past 30 minutes. The live real-time AU map is here: http://www.tvcomm.co.uk/radio/au_map_eu.html. See the most recent auroral radio contacts here: http://amunters.home.xs4all.nl/auroralog.htm. Sent on Mon 08/12 at 01:03utc

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Sunday, December 07, 2014

The recent aurora seems to have ended

Real-time map: http://www.tvcomm.co.uk/radio/au_map_eu.html See the most recent auroral radio contacts here: http://amunters.home.xs4all.nl/auroralog.htm. Sent on Sun 07/12 at 22:18utc

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The recent aurora seems to have ended

Real-time map: http://www.tvcomm.co.uk/radio/au_map_eu.html See the most recent auroral radio contacts here: http://amunters.home.xs4all.nl/auroralog.htm. Sent on Sun 07/12 at 19:25utc

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The recent aurora seems to have ended

Real-time map: http://www.tvcomm.co.uk/radio/au_map_eu.html See the most recent auroral radio contacts here: http://amunters.home.xs4all.nl/auroralog.htm. Sent on Sun 07/12 at 10:47utc

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Tuesday, December 02, 2014

The recent aurora seems to have ended

Real-time map: http://www.tvcomm.co.uk/radio/au_map_eu.html See the most recent auroral radio contacts here: http://amunters.home.xs4all.nl/auroralog.htm. Sent on Tue 02/12 at 21:11utc

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Radio aurora is being reported at high-latitudes 18:09 UT

The attached map shows yellow arcs where amateur radio operators were reporting contacts via aurora during the past 30 minutes. The live real-time AU map is here: http://www.tvcomm.co.uk/radio/au_map_eu.html. See the most recent auroral radio contacts here: http://amunters.home.xs4all.nl/auroralog.htm. Sent on Tue 02/12 at 18:09utc

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