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Re: 06 Apr 2025 Dawn and dusk

Dallas Abrehart
 

¿ªÔÆÌåÓý

HELLO

DOES ANY ONE HAVE PHOTO OR DRAWING OF THE RADIO SCOOPS

REGARDS

DALLAS

On 8/04/2025 6:57 pm, Sabine Cremer wrote:

Carl,
?
if you compare earlier of your spectrograms with today's, you can see that the noise level is increasing. Isn't it possible to rent a property for your antenna?with an electrical connection provided on the outskirts of the city?
?
Sabine
--

Germany
Standard time: UTC +1 hour
Possible sprites on Jupiter

 

Dave asked:

I wonder if there are TLEs on Jupiter or any other planet on which
lightning occurs.




For more info on sprites on Jupiter you can google and lots of interesting
info turns up. Tom
Re: 06 Apr 2025 Dawn and dusk

 

Carl,
?
if you compare earlier of your spectrograms with today's, you can see that the noise level is increasing. Isn't it possible to rent a property for your antenna?with an electrical connection provided on the outskirts of the city?
?
Sabine
--

Germany
Standard time: UTC +1 hour
07 Apr 2025 Dawn and dusk

 

Neither in the morning nor in the evening was much airglow visible in the ionosphere. In the evening?before sunset, atmospheric discharges were clearly visible in the antenna's passband between 19.5 MHz and 22.5 MHz.
These were possibly local blue-sky discharges. The nearest thunderstorms at that time were over Sardinia in the Mediterranean (1300 km away), over Tunisia in North Africa (1600 km away), and Krasnodar on the Black Sea (2400 km away). These distances are normal in the VLF range, but appear to be quite unusual here on shortwave.
?
Sabine
?
--

Germany
Standard time: UTC +1 hour

250407161200Frenkhausen_discharge.PNG
discharges_map.PNG

Re: Solar 04/07/2025 Easley, South Carolina

 

Hi
?
EventsToday.
?
Salvador
?

250407154000.jpg
250407154048PIKIS.PNG
250407154248PIKIS.PNG
250407154600.jpg
250407154648PIKIS.PNG
250407155048PIKIS.PNG
250407220117PIKIS.PNG
250407220617PIKIS.PNG

Solar 04/07/2025 Easley, South Carolina

 

Good evening:
? ? ?Weak solar from today.

John

Solar04072025Labeled1A.PNG
Solar04072025Labeled2A.PNG
Solar04072025Labeled3A.PNG

Re: 06 Apr 2025 Dawn and dusk

 

Sabine,
So impressed with your dawn/dusk! Wish I could see that here.? Mid month I will be moving up my band window to the center at 23Mhz. Well, after I do some antenna maintenance, as soon as the ground loses up....
Carl

On Mon, Apr 7, 2025 at 5:52?AM Sabine Cremer via <sc=[email protected]> wrote:
Quite impressive patterns in the evening.
?
Sabine
?
--

Germany
Standard time: UTC +1 hour
Re: Solar 05 April 2025

 

Thank you Luke and Sabine!
Carl

On Mon, Apr 7, 2025 at 12:45?AM Sabine Cremer via <sc=[email protected]> wrote:
Impressive catch, Carl!
?
Sabine
--

Germany
Standard time: UTC +1 hour
06 Apr 2025 Dawn and dusk

 

Quite impressive patterns in the evening.
?
Sabine
?
--

Germany
Standard time: UTC +1 hour

250406044500Frenkhausen_sunrise.PNG
250406160002Frenkhausen_sunset.PNG

Re: Solar 05 April 2025

 

Impressive catch, Carl!
?
Sabine
--

Germany
Standard time: UTC +1 hour
Re: Io-A observation?

 

Thanks Dave,
Still learning.? Jupiter was in the beamwidth of the dual dipole during the observation.? I am getting some good solar flares, but Jupiter being up in the daytime is often a problem?for me with interference?(some days are worse than others).? Thanks for the resource, and I appreciate your looking at the image.
Peter

On Sun, Apr 6, 2025 at 10:48?PM Dave Typinski via <davetyp=[email protected]> wrote:
Hi Peter,

Sorry to say, I don't see any obvious Jovian DAM in your spectrogram.

That is indeed the location of Io-A on the phase plane -- but, where was Jupiter
in your sky at that time and where is your antenna beam pointing?

For examples of Jovian DAM and other emission, the people that post their
observations here are quite helpful.? Another resource is this presentation:



--
Dave


On 4/6/25 22:36, Peter Detterline via wrote:
> Hello Everyone,
> I need some advice.? I'm trying to figure out what the different Io
> observations look like.? Could you take a look at the two pics please.? One
> shows where Jupiter was located on March 23 when the image was taken- which is
> in Io-A.? My question is if the Spectrograph image is in fact an Io-A observation.
>
> Thanks so much!
> Peter
>
>
>






Re: Io-A observation?

 

Hi Peter,

Sorry to say, I don't see any obvious Jovian DAM in your spectrogram.

That is indeed the location of Io-A on the phase plane -- but, where was Jupiter in your sky at that time and where is your antenna beam pointing?

For examples of Jovian DAM and other emission, the people that post their observations here are quite helpful. Another resource is this presentation:

,%20Typinski%20(2017)%20Slides%20and%20Notes.pdf

--
Dave

On 4/6/25 22:36, Peter Detterline via groups.io wrote:
Hello Everyone,
I need some advice. I'm trying to figure out what the different Io
observations look like. Could you take a look at the two pics please. One
shows where Jupiter was located on March 23 when the image was taken- which is
in Io-A. My question is if the Spectrograph image is in fact an Io-A observation.

Thanks so much!
Peter
Re: data file error

 

Thanks, Richard.? Smaller files over 24 hours via a schedule sounds like a good option to make the data chunks more manageable. ?

Has anyone had success using Radio Jupiter Pro to generate a schedule file based on event probability?? I suppose one caveat would be potentially missing other event types, such as Solar.

Thanks again,

Tyson



On Sun, Apr 6, 2025 at 4:32?PM Richard Gray via <grayro=[email protected]> wrote:
Hi Tyson,
?
Someone with more experience than I in the functioning of RSS may be able to help you get to the bottom of the error that you are encountering.? I suspect that either the file has been corrupted or that you are running into memory problems.? You might try recording a much shorter file and then try opening it in RSS.?? If that is successful, then try to increase the length of your recording.? If it is not successful, then you may have uncovered a bug in the program.
?
Because my setup is remote and we occasionally have power outages, I use a schedule file that records data in 6 hour blocks.? Each of those blocks uncompressed are about 220MB, which is a size that is much easier to handle and to scroll through than a 1GB file.? I think that most of us record our data during the day, and then, when the new day starts at 0h UTC we download the files and use RSS to scroll through them and so pick up the events that we then post.
?
Best wishes,? Richard Gray
Io-A observation?

 

Hello Everyone,?
I need some advice.? I'm trying to figure out what the different Io observations?look?like.? Could you take a look at the two pics please.? One shows where Jupiter was located on March 23 when the image was taken- which is in Io-A.? My question is if the Spectrograph image is in fact an Io-A observation.

Thanks so much!
Peter


Screenshot 2025-03-23 192225.png
Screenshot 2025-03-23 192010.png

Solar April 5, 2025 Dark Sky Observatory

 

Adding to those posted by others, here are spectrograms? from the Dark Sky Observatory of solar on April 5, 2025.? There were many faint bursts that I did not post.
?
Richard

250405175600Dark-Sky-Observatory.PNG
250405134614Dark-Sky-Observatory.PNG
250405164207Dark-Sky-Observatory.PNG
250405172205Dark-Sky-Observatory.PNG
250405175004Dark-Sky-Observatory.PNG
250405181417Dark-Sky-Observatory.PNG
250405182417Dark-Sky-Observatory.PNG
250405185216Dark-Sky-Observatory.PNG
250405190216Dark-Sky-Observatory.PNG
250405202612Dark-Sky-Observatory.PNG
250405141613Dark-Sky-Observatory.PNG
250405143612Dark-Sky-Observatory.PNG
250405145811Dark-Sky-Observatory.PNG
250405150611Dark-Sky-Observatory.PNG
250405151610Dark-Sky-Observatory.PNG
250405155209Dark-Sky-Observatory.PNG
250405160208Dark-Sky-Observatory.PNG
250405162208Dark-Sky-Observatory.PNG

Solar 04/06/2025 Easley, South Carolina

 

Good evening:
? ? ? Frequent solar from today. Thanks to Bill for the heads-up.


John

Solar04062025Labeled1A.PNG
Solar04062025Labeled2A.PNG
Solar04062025Labeled3A.PNG
Solar04062025Labeled4A.PNG
Solar04062025Labeled5A.PNG
Solar04062025Labeled6A.PNG
Solar04062025Labeled7A.PNG
Solar04062025Labeled8A.PNG
Solar04062025Labeled9A.PNG
Solar04062025Labeled10A.PNG
Solar04062025Labeled11A.PNG
Solar04062025Labeled12A.PNG
Solar04062025Labeled13A.PNG

Re: Radio Jove Project mentioned in interview

 

Great interview, Tom!
Thanks for being such a pioneer in many areas. We are so glad you found
Radio JOVE or that it/we found you.

Cheers,

Chuck

-----Original Message-----
From: [email protected] <[email protected]> On Behalf Of Thomas Ashcraft via groups.io
Sent: Sunday, April 6, 2025 2:00 PM
To: [email protected]
Subject: [EXTERNAL] [Radio JOVE] Radio Jove Project mentioned in interview

Radio Jove Project mentioned in interview. Thomas Ashcraft
Re: Dual Dipole Antenna Question

 

Hi Dave,
?
I hadn't realized Jupiter's transit elevation could be below ones horizon. I am glad this is not the case!
?
It is good to know the emission source will be down the centerline. That is an interesting factor for gain and power that I had not considered.
?
Thank you for the help and resources!
?
Kind Regards,
John
Re: data file error

 

Hi Tyson,
?
Someone with more experience than I in the functioning of RSS may be able to help you get to the bottom of the error that you are encountering.? I suspect that either the file has been corrupted or that you are running into memory problems.? You might try recording a much shorter file and then try opening it in RSS.?? If that is successful, then try to increase the length of your recording.? If it is not successful, then you may have uncovered a bug in the program.
?
Because my setup is remote and we occasionally have power outages, I use a schedule file that records data in 6 hour blocks.? Each of those blocks uncompressed are about 220MB, which is a size that is much easier to handle and to scroll through than a 1GB file.? I think that most of us record our data during the day, and then, when the new day starts at 0h UTC we download the files and use RSS to scroll through them and so pick up the events that we then post.
?
Best wishes,? Richard Gray
Re: Radio Jove Project mentioned in interview

 

Very nice interview, Tom! Thank you for the kind words mentioning Radio JOVE.

Can you say more about your kinetic sculpture project? That sounds very interesting.

I wonder if there are TLEs on Jupiter or any other planet on which lightning occurs.
--
Dave

On 4/6/25 14:59, Thomas Ashcraft wrote:
Radio Jove Project mentioned in interview. Thomas Ashcraft
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