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Alex P
, …
Don Latham
73
Aug 25
more Kraken H1
Thanks, Wolfgang. Can I suggest for a torque refresher https://www.youtube.com/watch?v=TQQXpFhACSU --
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more Kraken H1
Thanks, Wolfgang. Can I suggest for a torque refresher https://www.youtube.com/watch?v=TQQXpFhACSU --
Aug 25
Stephen Arbogast
,
edhar...@gmail.com
3
Aug 25
SDRAngel and running fftw-wisdom
Well... I followed instructions and ran fftwf-wisdom -v -n -o ~/.local/share/f4exb/SDRangel/fftw-
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SDRAngel and running fftw-wisdom
Well... I followed instructions and ran fftwf-wisdom -v -n -o ~/.local/share/f4exb/SDRangel/fftw-
Aug 25
Conrad Cardano
2
Aug 25
EZRA crash and error
Hi An update. I reconnected all of my hardware and I rebooted the PC. It's working now. On
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EZRA crash and error
Hi An update. I reconnected all of my hardware and I rebooted the PC. It's working now. On
Aug 25
andrew....@googlemail.com
, …
Chuck Snell
6
Aug 25
Launching balloons in UK
I just launched another Pico Balloon this past Saturday - it is now south of you, Andy, in Spain! It
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Launching balloons in UK
I just launched another Pico Balloon this past Saturday - it is now south of you, Andy, in Spain! It
Aug 25
Whitham Reeve
Aug 24
HAARP Notice of Transmission 25-27 August 2026
Please see attached HAARP Notice of Transmission for the Research Campaign on 25-27 August 2026 UTC.
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HAARP Notice of Transmission 25-27 August 2026
Please see attached HAARP Notice of Transmission for the Research Campaign on 25-27 August 2026 UTC.
Aug 24
Dr. Rich Russel
Aug 24
Fw: [Alma-na-users] NA ALMA Student Observing Support Opportunity, Cycle 13
Dear North American ALMA Colleagues, I am pleased to share with you the following announcement: -----
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Fw: [Alma-na-users] NA ALMA Student Observing Support Opportunity, Cycle 13
Dear North American ALMA Colleagues, I am pleased to share with you the following announcement: -----
Aug 24
Alex P
, …
Stephen Arbogast
21
Aug 24
Mounting the Kraken Disco H1 Feed Tube to the Nooelec 1m Dish
I have to say the metal solution in this thread is particularly clever though. What was the per unit
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Mounting the Kraken Disco H1 Feed Tube to the Nooelec 1m Dish
I have to say the metal solution in this thread is particularly clever though. What was the per unit
Aug 24
Andrew Thornett
,
Liam Siddall
4
Aug 23
24 August 2026: 19:00 UTC (20:00 BST) BAA Very Low Frequency Radio Astronomy (VLF) Online Practical RA Meeting
The videos from all the Monday sessions are on the British Astronomical Association YouTube channel
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24 August 2026: 19:00 UTC (20:00 BST) BAA Very Low Frequency Radio Astronomy (VLF) Online Practical RA Meeting
The videos from all the Monday sessions are on the British Astronomical Association YouTube channel
Aug 23
Alex P
,
andrew....@googlemail.com
4
Aug 23
1m nooelec Dish w/ Nooelec Dipole , Cake Pan Loop , Kraken Dipole Feeds
OK thanks From: 'b alex pettit jr' via Society of Amateur Radio Astronomers <sara-list@
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1m nooelec Dish w/ Nooelec Dipole , Cake Pan Loop , Kraken Dipole Feeds
OK thanks From: 'b alex pettit jr' via Society of Amateur Radio Astronomers <sara-list@
Aug 23
Cathal O'Donghaile
, …
Stephen Arbogast
16
Aug 23
I made a new cantenna - now I'm getting loads of RFI
Good afternoon/morning everyone. So, I've got my H-Line antenna back up and running and I'm
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I made a new cantenna - now I'm getting loads of RFI
Good afternoon/morning everyone. So, I've got my H-Line antenna back up and running and I'm
Aug 23
Alex P
, …
Miguel Ríos Martín
9
Aug 22
Feed Comparisons : Nooelec H1 Dipole VS Cake Pan Loop Feed & both w/ 1m Dish
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Feed Comparisons : Nooelec H1 Dipole VS Cake Pan Loop Feed & both w/ 1m Dish
Aug 22
Ayushman Tripathi
, …
Shaik Samad Pasha
14
Aug 22
Live H line feed from my homebuilt radio telescopes
Hi Shaik, Thanks! My calibration is shape-based, not temperature. I divide each observation by a
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Live H line feed from my homebuilt radio telescopes
Hi Shaik, Thanks! My calibration is shape-based, not temperature. I divide each observation by a
Aug 22
JERRY TAYLOR
, …
Andrew Thornett
14
Aug 22
Converting Airspy Mini arbitrary units to Kelvin
Samad Thank you so much for the link to your paper. I look forward to reading it. Jerry On Sat, Aug
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Converting Airspy Mini arbitrary units to Kelvin
Samad Thank you so much for the link to your paper. I look forward to reading it. Jerry On Sat, Aug
Aug 22
andrew....@googlemail.com
Aug 21
Hydrogen line radio astronomy beginners introduction and support sessions - link to join next session
Hydrogen Line support session for beginners – Saturday 29 August 2026 @ 19:00 UTC 20:00 BST. Link to
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Hydrogen line radio astronomy beginners introduction and support sessions - link to join next session
Hydrogen Line support session for beginners – Saturday 29 August 2026 @ 19:00 UTC 20:00 BST. Link to
Aug 21
Andrew Thornett
Aug 21
DISCOVERY-H-LINE-FEED-01 AND DISHES KrakenRF | Mouser United Kingdom
https://www.mouser.co.uk/en/ProductDetail/KrakenRF/DISCOVERY-H-LINE-FEED-01?qs=mELouGlnn3f4zgbONlMeWA
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DISCOVERY-H-LINE-FEED-01 AND DISHES KrakenRF | Mouser United Kingdom
https://www.mouser.co.uk/en/ProductDetail/KrakenRF/DISCOVERY-H-LINE-FEED-01?qs=mELouGlnn3f4zgbONlMeWA
Aug 21
Alex P
,
Miguel Ríos Martín
8
Aug 20
Nooelec H1 Dipole Feed Dimensions
Two graphs generated to compare both cases El jue, 20 ago 2026 a las 22:13, Miguel Ríos Martín (<
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Nooelec H1 Dipole Feed Dimensions
Two graphs generated to compare both cases El jue, 20 ago 2026 a las 22:13, Miguel Ríos Martín (<
Aug 20
Liam Siddall
,
b alex pettit jr
6
Aug 19
Sdr # IF average plugin
There are several sets of software to install, but once everything is configured, it takes ~ 15 mins
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Sdr # IF average plugin
There are several sets of software to install, but once everything is configured, it takes ~ 15 mins
Aug 19
Stephen Arbogast
, …
bsn...@gmail.com
18
Aug 19
AirSpySDR modules for Raspberry PI 4
Thanks Ted and Stephen.... Stephen I agree that the RPi in not the ideal platform but in the Spirit
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AirSpySDR modules for Raspberry PI 4
Thanks Ted and Stephen.... Stephen I agree that the RPi in not the ideal platform but in the Spirit
Aug 19
Conrad Cardano
Aug 19
unusual meteor echo
Hi I'm still new at this. Could some please explain this echo? Thank you for reading. Conrad
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unusual meteor echo
Hi I'm still new at this. Could some please explain this echo? Thank you for reading. Conrad
Aug 19
Stephen Arbogast
2
Aug 18
Physics for Everyone.... Dr. Richard Krauss
Dr. Lawrence Kraus On Tuesday, August 18, 2026 at 5:23:14 PM UTC-6 Stephen Arbogast wrote: See https:
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Physics for Everyone.... Dr. Richard Krauss
Dr. Lawrence Kraus On Tuesday, August 18, 2026 at 5:23:14 PM UTC-6 Stephen Arbogast wrote: See https:
Aug 18
Dr. Rich Russel
Aug 17
SARA Drake's Lounge Aug 2026 uploaded
https://youtu.be/S-y_s_jDAiI Rich
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SARA Drake's Lounge Aug 2026 uploaded
https://youtu.be/S-y_s_jDAiI Rich
Aug 17
Alex P
,
Conrad Cardano
5
Aug 17
Plots Kraken H1 Feed + Nooelec Dish
You will get Excellent Performance with the Kraken .. It is a well designed piece of hardware and is
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Plots Kraken H1 Feed + Nooelec Dish
You will get Excellent Performance with the Kraken .. It is a well designed piece of hardware and is
Aug 17
Alex P
Aug 16
High_Res Real-Time H Line Spectrum Display
This is data acquired early AM today. Hardware : Kraken H1 Feed + Nooelec 1m Dish Software : AirSpy
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High_Res Real-Time H Line Spectrum Display
This is data acquired early AM today. Hardware : Kraken H1 Feed + Nooelec 1m Dish Software : AirSpy
Aug 16
Chuck Snell
, …
b alex pettit jr
7
Aug 16
yet another rookie related question
Over the next week, I hope to Answer that Question . On Saturday, August 15, 2026 at 08:40:12 PM EDT,
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yet another rookie related question
Over the next week, I hope to Answer that Question . On Saturday, August 15, 2026 at 08:40:12 PM EDT,
Aug 16
Sweet Thing
, …
b alex pettit jr
4
Aug 16
Where have I seen this before?
Cigar antennas for 1.2GHz, 2.4GHz and 3.4GHz Cigar antennas for 1.2GHz, 2.4GHz and 3.4GHz Cigar
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Where have I seen this before?
Cigar antennas for 1.2GHz, 2.4GHz and 3.4GHz Cigar antennas for 1.2GHz, 2.4GHz and 3.4GHz Cigar
Aug 16
andrew....@googlemail.com
Aug 15
Emailing: Green Bank Observatory 40-foot RT User Guide Aug 2026&2017.pdf
At Green Bank this year, we found a new version of the user manual for the 40-foot RT. It is missing
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Emailing: Green Bank Observatory 40-foot RT User Guide Aug 2026&2017.pdf
At Green Bank this year, we found a new version of the user manual for the 40-foot RT. It is missing
Aug 15
Andrew Thornett
Aug 15
Monday 17 August: 19:00 UTC 20:00 BST. BAA Muon Detection Meeting
Dear All, On Monday this coming week is our next BAA muon detection meeting. Royston Morgan is giving
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Monday 17 August: 19:00 UTC 20:00 BST. BAA Muon Detection Meeting
Dear All, On Monday this coming week is our next BAA muon detection meeting. Royston Morgan is giving
Aug 15
Scott Elliott
Aug 14
Nice RA news article
This showed up in my Apple News feed: Radio astronomy News, Research and Analysis theconversation.com
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Nice RA news article
This showed up in my Apple News feed: Radio astronomy News, Research and Analysis theconversation.com
Aug 14
Miguel Ríos Martín
, …
b alex pettit jr
33
Aug 14
PC for connecting to RTL-SDR
FYI : HLine3D provides Automated RFI removal tools Info Here https://github.com/AP-HLine-3D/HLine3D/
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PC for connecting to RTL-SDR
FYI : HLine3D provides Automated RFI removal tools Info Here https://github.com/AP-HLine-3D/HLine3D/
Aug 14
bsn...@gmail.com
,
Dimitry UA3AVR
3
Aug 13
A gas-enshrouded and gas-reddened black hole at cosmic dawn
Thank you Dimitry... I spent an hour or more today learning a little bit about LRDs ---Little Red
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A gas-enshrouded and gas-reddened black hole at cosmic dawn
Thank you Dimitry... I spent an hour or more today learning a little bit about LRDs ---Little Red
Aug 13