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astronomy.me.uk The Website of Lichfield Radio Astronomy Observatory (LRO)

Astronomy observatory in Staffordshire, England.

astronomy.me.uk The Website of Lichfield Radio Astronomy Observatory (LRO)

Astronomy observatory in Staffordshire, England.

  • Live feeds at Lichfield Radio Observatory (LRO)
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Radio observation in hydrogen line (1420MHz)

Actions carried out to try and get ezCol.py working with USB Relay board 11/12/2025

Admin December 12, 2025 No Comments

Your ezCol.py does not start with a shebang (#!/usr/bin/env python3).Instead, the first line is just: ➜ That means Linux has no idea which Python interpreter to use. So when you…

Easy Radio Astronomy Software (ezRA) Linux for Radio Astronomy

How to open virtual environment in Ubuntu called ezra-env

Admin December 12, 2025 No Comments

If it’s a Python virtual environment created with venv or virtualenv, you open (activate) it with a single command—just make sure you’re in the directory that contains it. 1. Navigate…

Radio observation in hydrogen line (1420MHz)

How about 6 x 7.5 inch can for hydrogen line? How does that compare with a can 160mm diameter x 165 mm height?

Admin December 12, 2025 No Comments

How about 6 x 7.5 inch can for hydrogen line? Short answer: you can use a 6″ × 7.5″ can-sized aperture, but it’s very small for the 1420.40575 MHz hydrogen…

Radio observation in hydrogen line (1420MHz)

Is 145mm or 165mm better diameter for hydrogen line cantenna? Is a can that is 160mm diameter x 165 mm height a good choice for this?

Admin December 12, 2025 2 Comments

Short answer: 165 mm is the better choice than 145mm can — it gives a larger aperture (higher gain / narrower beam) while still remaining single-mode for 1420.4 MHz. Below…

Linux for Radio Astronomy

How to use Active@ Disc Imager to back up Linix Ubuntu computer

Admin December 11, 2025 No Comments

FOLLOW THESE INSTRUCTIONS AT YOUR OWN RISK. NO LIABILITY ACCEPTED FOR LOSS OF DATA FROM FOLLOWING THESE INSTRUCTIONS. Yes — you can use an Active@ Disk Image USB pendrive on…

Radio observation in hydrogen line (1420MHz)

Successful use of hidusb-relay-cmd.exe from USB HID relay software v2.1 (latest 041225) (Win64): on 11/12/2025

Admin December 11, 2025 No Comments

Running Pavel-a hidusb-relay-cmd.exe from USB HID relay software v2.1 (latest 041225) (Win64): Download from releases on right side on screenshot below the Windows version of the software. This works on…

Linux for Radio Astronomy

How to use Active@ Disc Imager to back up Linux Ubuntu computer

Admin December 11, 2025 No Comments

FOLLOW THESE INSTRUCTIONS AT YOUR OWN RISK. NO LIABILITY ACCEPTED FOR LOSS OF DATA FROM FOLLOWING THESE INSTRUCTIONS. Yes — you can use an Active@ Disk Image USB pendrive on…

Linux for Radio Astronomy

How to make a byte-for-byte (block-level) backup of a Linux Ubuntu machine remotely

Admin December 11, 2025 No Comments

Yes — you can absolutely make a byte-for-byte (block-level) backup of an Ubuntu machine remotely, provided you have either SSH terminal access or remote GUI. Below are the reliable, practical…

Radio observation in hydrogen line (1420MHz)

Metric equivalent of 1/8 inch diameter bolt to use as monopole probe on cantenna

Admin December 11, 2025 No Comments

An 1/8-inch diameter bolt is 3.175 mm in metric.The nearest standard metric size is: ✅ M3 bolt (3 mm diameter) Alternatives If you need something closer to the exact 3.175…

Radio observation in hydrogen line (1420MHz)

SRD-05VDC-SL-C Relay

Admin December 11, 2025 No Comments

It is a relay for 5V signal control that can be applied and used in areas requiring various contact control. It can receive a 5V signal and control the power…

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Recent Posts

  • Does painting the dish with Hammerite (trade name) metal-protective paint affect performance?
  • How well does a steel dish work at 1420 MHz?
  • Airspy R2 vs Airspy mini specifications
  • Plots of data collected using Brian Coleman’s self-made hydrogen-line feed placed at correct focal point on the LRO-H2 telescope (150cm Solar Cooker Radio Telescope) & pointed towards either outer Milky Way (1 spiral arm seen) or inner Milky Way (2 spiral arms seen) 16 May 2026
  • My 150cm LRO-H2 hydrogen line radio telescope is pointed azimuth 168 degrees, elevation 75 degrees, and collecting data by 24-hour transit scans. Which Milky Way parts does it pass through when trace shows one or two arms?

Recent Comments

  1. Is there any record available of how brightness supernova 2026 in ngc 5907 has changed? – astronomy.me.uk The Website of Lichfield Radio Astronomy Observatory (LRO) on Current brightness of supernova in NGC5907
  2. Key documents for making your own Jason Burnfield 1.5m mini hydrogen line radio telescope and using this to successfully take a spectrum on M31 Andromeda Galaxy (and hopefully even the M33 Triangulum Galaxy). – astronomy.me.uk The Website of Lichfie on Alex Pettit’s Instructions for making an umbrella antenna and cakepan loop hydrogen line feed:
  3. Key documents for making your own Jason Burnfield 1.5m mini hydrogen line radio telescope and using this to successfully take a spectrum on M31 Andromeda Galaxy (and hopefully even the M33 Triangulum Galaxy). – astronomy.me.uk The Website of Lichfie on Alex Pettit’s Project: H-Line 3D:
  4. Key documents for making your own Jason Burnfield 1.5m mini hydrogen line radio telescope and using this to successfully take a spectrum on M31 Andromeda Galaxy (and hopefully even the M33 Triangulum Galaxy). – astronomy.me.uk The Website of Lichfie on Ted Cline’s Easy Radio Astronomy (ezRA) Software Suite:
  5. Key documents for making your own Jason Burnfield 1.5m mini hydrogen line radio telescope and using this to successfully take a spectrum on M31 Andromeda Galaxy (and hopefully even the M33 Triangulum Galaxy). – astronomy.me.uk The Website of Lichfie on How to point your drift detection hydrogen line radio telescope at the bright part of the Milky Way in Cygnus to test the performance of the system.

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You missed

Uncategorized

Does painting the dish with Hammerite (trade name) metal-protective paint affect performance?

Uncategorized

How well does a steel dish work at 1420 MHz?

Uncategorized

Airspy R2 vs Airspy mini specifications

Radio observation in hydrogen line (1420MHz)

Plots of data collected using Brian Coleman’s self-made hydrogen-line feed placed at correct focal point on the LRO-H2 telescope (150cm Solar Cooker Radio Telescope) & pointed towards either outer Milky Way (1 spiral arm seen) or inner Milky Way (2 spiral arms seen) 16 May 2026

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astronomy.me.uk The Website of Lichfield Radio Astronomy Observatory (LRO)

Astronomy observatory in Staffordshire, England.

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