Aurora

[Andrew Thornett]

Congratulations to everyone who saw the aurora from their own backyard last night, especially if you have never seen it before!

Did anyone pick anything up due to the aurora on their radio telescopes?

Andy

[Marcus D. Leech]

Our daily H1doppler measurement was unaffected.  That happened around midnight, where there was still active Aurora activity.

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[Tom Azlin W7SUA]

I monitored WWV 2.5 MHz overnight. Saw some positive and negative
Doppler overnight but not as much as what I think was a large negative
dawn effect. I was using fldigi's FMT modem set to recording once a
second. Attached is the plot from the FMT spreadsheet. Times in GMT

I did see the aurora last night at about 11 PM here in Chino Valley AZ.
Very faint red light across the sky to the north.

Tom Azlin

On 11/12/2025 9:09 AM, 'Andrew Thornett' via Society of Amateur Radio

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[Michael Druzynski]

I believe that I picked it up on my Deteor Detection setup. My Radio Telescope was not collecting data at the time. This was around 10PM EST with my antenna pointing North in Rochester, NY on 55.239.100. I know the aurora was visible at the time, and I did not see anything similar to this before or after this screenshot. I was not actively monitoring it at the time, so this is just an archived screenshot from Spectrum Lab. There may be additional activity tonight, so I will see if I can get the Radio Telescope going.

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[Zijad Zike Dzehovic]

Unfortunately, it was cloudy night in my region. We missed something spectacular.

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[ashc...@heliotown.com]

I think I show the Nov 12 2025 aurora at decametric wavelengths here in
New Mexico from 0400UT to 0600UT. See attached. No time for analysis at
the moment. In haste, - Thomas Ashcraft

[Dave Typinski]

Hi Andy,

Similar to what Tom Ashcraft posted, we here in Florida saw what looked like the onset of daytime HF band terrestrial propagation briefly at around 0500 UTC.

Later in the day, however, it was obvious that daytime HF band propagation was depressed today from 1100 until about 1900 UTC when the spectrogram returned to it's normal state.
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Dave

[andrew....@googlemail.com]

Thanks Dave – what frequency was this on?

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[Dave Typinski]

That spectrogram covers the RF spectrum from 15 to 30 MHz.
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