Re: Python Data procession and Visualisation - a set of tutorials Monday April 15th 19:00 BST.
This first session will be lead By Andrew Thomas and Richard Knott and cover the basics of Raspberry Pi connectivity to a Windows PC.? No prior knowledge will be assumed.? Tools and applications
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Paul Hearn
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#1562
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Re: Meteor Echoes of the day.
Hi Brian I've just tried Firefox and Brave browsers and the live stream is working fine in both. Many thanks Stephen G4VBD
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Steve, G4VBD
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#1561
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Meteor Echoes of the day.
As we approach the Lyrids there are lots of interesting echoes this morning.? I have had a report from someone who cannot access the live stream at all with some browsers. We know that Firefox
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Brian
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#1560
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Meteor echo of the day
Today's screen grab? illustrates three phenomena that have been observed using the UK meteor beacon and receiver network. Firstly that the echoes can be directional so not seen by all the receivers
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Brian
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#1559
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Re: RAZoom Fri. April 5th 19:30 BST Solar Eclipse Effects on VLF Radio Propagation
Well done on catching that, just after the break! John.
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John Cook
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#1558
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Re: RAZoom Fri. April 5th 19:30 BST Solar Eclipse Effects on VLF Radio Propagation
Looking at all the eclipse watching parties everyone had a good time viewing the eclipse and as I mentioned the powers that be decided that we vlf observers were not going to be disapointed! Just
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Mark Edwards
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#1557
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Re: RAZoom Fri. April 5th 19:30 BST Solar Eclipse Effects on VLF Radio Propagation
Cutler has been off air for the past few hours, but they've just switched it back on, just in time! Mark
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Mark Edwards
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#1556
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Re: RAZoom Fri. April 5th 19:30 BST Solar Eclipse Effects on VLF Radio Propagation
Mark - Nice plots! The eclipse effects are very pronounced and what I was expecting to see last October but didn't. I'm setup with four virtual receivers (SDRduo) on the LF Comm frequencies and one
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WReeve
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#1555
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Re: RAZoom Fri. April 5th 19:30 BST Solar Eclipse Effects on VLF Radio Propagation
Hello, ??? ??? If anyone does record effects from the eclipse, then do please send them in for inclusion in our monthly summary, Radio Sky News. Thanks, John.
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John Cook
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#1554
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Re: RAZoom Fri. April 5th 19:30 BST Solar Eclipse Effects on VLF Radio Propagation
Mike, Honestly I don't know. We could see soon, in April 8th? Judging from Kiruna magnetometer historical data there was magnetic field disturbance on that day:
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Zilvinas, LY2SS
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#1553
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Re: RAZoom Fri. April 5th 19:30 BST Solar Eclipse Effects on VLF Radio Propagation
I've attached a slide from the talk I gave some time back about SIDs and TIDs that shows my observations of the 20th March 2015 eclipse. The eclipse was over 80% on the two paths in the slide and
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Mark Edwards
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#1552
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Re: RAZoom Fri. April 5th 19:30 BST Solar Eclipse Effects on VLF Radio Propagation
Hi ?ilvis, That is an interesting group of measurements. ?I understand there will reduction in electrons during an eclipse. ?So, are the electron currents at satellite altitudes affecting the
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Mike German
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#1551
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Re: RAZoom Fri. April 5th 19:30 BST Solar Eclipse Effects on VLF Radio Propagation
Thanks for the interesting lecture! My 2cents: there was a total eclipse in July 2009 and then I thought what is happening with Earth magnetic field during the event. So I made an screenshot from NOAA
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Zilvinas, LY2SS
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#1550
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Re: RAZoom Fri. April 5th 19:30 BST Solar Eclipse Effects on VLF Radio Propagation
The link has been mailed out.? Let me know if you have not received it....... -- ???? Paul Hearn? ??? paul@... ??? ?RA Section Director? ???
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Paul Hearn
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#1549
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Re: Python Data procession and Visualisation - a set of tutorials.
Sorry, just saw the 19:00 BST tutorial starts. OK for my time zone. Thanks
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A. C.
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#1548
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Re: Python Data procession and Visualisation - a set of tutorials.
Interested depending on the Mon. time of the tutorials. Thanks
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A. C.
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#1547
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Re: Python Data procession and Visualisation - a set of tutorials.
--------------------------------------------------------------------- Data processing and visualisation of muon data using the Raspberry Pi
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Paul Hearn
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#1546
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Meteor echo of the day
Today's screenshots are from Martin near Salisbury. The left hand screenshot is from Martin's own receiver system while the others are from the live stream. They show a tail echo lasting ten seconds
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Brian
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#1545
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RAZoom Fri. April 5th 19:30 BST Solar Eclipse Effects on VLF Radio Propagation
We are pleased to welcome back Whit Reeve, a long time supporter of these seminars. 'October 14, 2023 Solar Eclipse ~ Effects on VLF Radio Propagation ~ Observed in Alaska USA' ~ Whitham D. Reeve.
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Paul Hearn
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#1544
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LRO Latest map of Milky Way at 1420.405MHz (hydrogen)
Latest map of Milky Way in hydrogen line with Ptarmigan Triffid Military Dipole Array: https://astronomy.me.uk/latest-milky-way-map-from-lro-1-4-2024 Andy
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Andrew Thornett
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#1543
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