RTOP Nov 2025- Hydroxyl Masers, Radio Interference, and Remote Dish Control, Advanced Techniques

SARA: www.radio-astronomy.org

Hydroxyl Masers, Radio Interference, and Remote Dish Control: Exploring Advanced Radio Astronomy Techniques
In this episode, Ted Klein leads an engaging meeting where participants delve into various aspects of radio astronomy. Dmitri shares detailed observations on late-stage red giant stars using a 20-meter dish at Green Bank, highlighting their spectral characteristics and variability. Wolfgang discusses advancements in solar polarizer experiments aimed at understanding solar flares. Eduard updates on his high-frequency observations of water masers, sharing insights on the challenges and solutions for dealing with frequency drifts. Abel presents a project on the WOW signal and talks about deploying multiple small telescopes for dynamic sky monitoring. Pablo showcases his innovative setup for remotely controlling a 2.1-meter radio telescope. The meeting is rich with technical discussions, touching on everything from dealing with local radio frequency interference to leveraging GNU Radio for advanced radio astronomy projects. Whether you're an amateur or a seasoned radio astronomer, you'll find this session filled with valuable knowledge and inspiration.
00:00 Introduction and Opening Remarks
00:24 Treasurer's Report and Financial Updates
03:00 Dmitri's Observations on Red Giants
26:44 Wolfgang's Solar Polarization Project
30:43 Eduard's Radio Astronomy Activities
48:11 Andy's Polarization Experiment
58:35 Mark's Hydrogen Line Observations
01:03:48 Addressing Interference Issues
01:04:29 Quiet Zone Experimentation
01:05:30 Hydrogen Line Observations
01:06:56 Challenges with Local Interference
01:08:57 Long Duration Observations
01:11:23 Software and Equipment Updates
01:16:35 Presentations and Reports
01:26:15 Project Updates and Future Plans
01:42:30 GNU Radio and Practical SDR
01:46:15 Closing Remarks and Future Meetings

CHAT
eduard: V669 Cas is quite variable it seems… https://hsweb.hs.uni-hamburg.de/proje...
eduard: This is also a very good resource for OH maser spectra and variability: https://hsweb.hs.uni-hamburg.de/proje...
01:33:23 Adrian KJ6GYC: Reacted to "This is also a very ..." with 👍
01:33:38 Wolfgang Herrmann: And this one https://hsweb.hs.uni-hamburg.de/proje...

eduard:    / @eduardmol9733  

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Abel Mendez: Main project: phl.upr.edu/wow
Abel Mendez: Small telescopes: https://phl.upr.edu/wow/outreach
Abel Mendez: Practical SDR https://nostarch.com/practical-sdr