British Astronomical Association Hydrogen Line Sub-group meeting 1/12/2025
Admin
https://files.ad.thornett.net/astronet/BAA_H-Line_Meeting_011225.mp4
2025
Is it beneficial to have full wavelength sized antennas rather than half wavelength?
In most practical radio-astronomy and communication setups, a full-wavelength antenna is not inherently “better” than a half-wavelength one—they simply behave differently, and the choice depends on what pattern, impedance, and…
How does amplification on Nooelec SAWBird H1 vary with voltage on power supply input?
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How to close Snap Store Apps to allow SNAP to update in Linux Ubuntu
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GNC Flowcharts from Brett for USRP B210 SDR & Video Training links for GNC (GNU Radio Companion)
Hi Andy, https://www.astronomy.me.uk/wp-content/uploads/2025/11/B210_stats.grc_.txt https://www.astronomy.me.uk/wp-content/uploads/2025/11/baa_seminar_USRP_IF_RF.grc_.txt The BAA seminar flowgraph won’t work without some further modules (created by Marcus Leech). I can explain this to you. The B210 fg is what I…
What does following product do? RFandEMF TM-195: 3 Axis High Frequency/RF Measurement, EMF Meter covers 50MHz – 3.5GHz
Here’s what does — and when/how you might use it: ✅ What the device does 🔎 Typical Uses / Why People Use It This kind of RF/EMF meter is commonly…
How to avoid audio clashes GNU Radio with other devices using the audio stream on the computer running the software
I was using a screen recorder (Debut) to record a Microsoft Teams meeting tonight. However second half lost its sound, which occurred after I ran a GNU Radio Companion script…
How to back up an entire Linux Ubuntu system 29/11/2025
https://www.astronomy.me.uk/wp-content/uploads/2025/11/How-to-back-up-entire-Ubuntu-system-291125.docx https://www.astronomy.me.uk/wp-content/uploads/2025/11/How-to-back-up-entire-Ubuntu-system-291125.pdf How to back up entire Ubuntu system (content of downloadable versions above repeated below in this post): From https://askubuntu.com/questions/7809/how-to-back-up-my-entire-system 29/11/2025 Refer to this howto: http://ubuntuforums.org/showthread.php?t=35087 FILES In simple…