Skip to content

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)
  • Calculators
  • Telescopes & Associated Equipment at Lichfield Radio Observatory
  • History and description of Lichfield Radio Observatory (LRO)
  • Publications & Presentations
  • Links to other observers’ SID monitoring sites
  • SHOOS – SARA Hydrogen-Observing Overall Survey
  • Contact me
Radio Astronomy

Start Simply, Build Slowly – The Best Advice for Amateur Radio Astronomy

Admin December 12, 2025 No Comments

Drift scanning works well for hydrogen line work, even with small antennas or dishes and I would strongly recommend starting with that. With regards to pointing/compass, make line on the…

Radio observation in hydrogen line (1420MHz)

Location of HID USB Relay Board control software on Github

Admin December 12, 2025 No Comments
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…

Posts pagination

1 … 64 65 66 … 143

« Previous Page — Next Page »

Categories

  • ADVISORY NOTICE & DISCLAIMER
  • Aerials & Antennae
  • Airspy Software Defined Radios
  • Astronomy Art
  • Astronomy General Articles
  • Astrophotography
  • Attending & talking at conferences, workshops & societies
  • Aurorae Boreolis
  • BlurXterminator
  • Building radio telescopes
  • Cartoons
  • Cloud Chambers
  • Computer equipment for astronomy
  • Easy Radio Astronomy Software (ezRA)
  • Frequencies
  • Geoptik Nadirus 2BW Digital Setting Circles
  • GNU Radio
  • Hardware
  • International Space Station (ISS)
  • Introduction
  • JSol'Ex
  • Jupiter Radio Astronomy
  • KerberosSDR & Raspberry PI
  • Lichfield Radio Observatory (LRO) & its Equipment
  • Linux for Radio Astronomy
  • LRO-H1 Radio Telescope (86cm x 86cm Ptarmigan Triffid 4×4 Dipole Array)
  • LRO-H2 Radio Telescope (150cm Solar Cooker Dish)
  • LRO-H3 Radio Telescope (Alex Pettit H-Line Yagi)
  • Magnetometer
  • Making own Image Intensified Eyepieces
  • Maser Radio Observations
  • Masers
  • Meteor detection by radio
  • Michel Safir
  • Microscopy
  • Minolta AF 85mm F1.4 camera lens
  • MLAstro SHG 700 Spectroheliograph
  • Multimeters
  • Muon Detection
  • My interests in astronomy
  • NanoVNA
  • Night Sky Talks
  • Non-astronomy posts
  • Nooelec SAWBird LNAs
  • Observing Night Sky
  • Photography
  • PixInsight
  • Poetry & Songs
  • Pulsars
  • Radio Astronomy
  • Radio Interferometry
  • Radio observation in hydrogen line (1420MHz)
  • RTL-SDR Blog Software-Defined Radios (SDRs)
  • SARA
  • Science Fiction
  • SDRplay RSPduo Software-Defined Radio (SDR)
  • Seestar S50 Telescope
  • SETI Horn of Plenty (Hydrogen Line Pyramidal Horn Design Antenna)
  • Settings Radio Meteor Scatter Experiment
  • Software
  • Solar
  • Solar Cooker 1.5m Parabolic Dish Radio Telescope
  • Sony Alpha 7 Camera
  • Sony Alpha 99 Full-Frame Camera
  • Spectroscopy
  • Testing radio astronomy equipment
  • The 20 Metre Skynet Radio Dish at Green Bank Observatory
  • Thypoch Simera 35mm f/1.4 lens
  • Uncategorized
  • USRP B210 Software-Defined Radio
  • Videopad Software
  • VLF Radio Detection of SIDs (Very low Frequency detection of Sudden Ionospheric Disturbances)
  • Waveguides
  • Weather
  • Website management
  • Whisper Software
  • Windows
  • Wordpress

Recent Posts

  • Comparing 5650A Rubidium Source with LBE-1421–23/9/2026
  • How to fix “rtlsdr module not found” error when running ezRA (Easy Radio Astronomy by Ted Cline) under Microsoft Windows
  • Photos and video of the PCB from Ettus B210 clone I purchased from Aliexpress
  • Comments on using Leo Bodnar LBE-1421 to produce 1 PPS output
  • Planned ALAN Radio Telescope Field of View at 1420 MHz at Walsall Astronomy Group, UK

Recent Comments

  1. Interpretation of results from first successful rubidium lock achieved with 5650A – astronomy.me.uk The Website of Lichfield Radio Astronomy Observatory (LRO) on First successful rubidium lock achieved with 5650A rubidium time source 12 September 2026
  2. Admin on Latest working version of ezColGR – provides FFT 512 bins with Airspy Mini and saves data in ezRA text file format 10/7/2026
  3. Bill Sneed on Latest working version of ezColGR – provides FFT 512 bins with Airspy Mini and saves data in ezRA text file format 10/7/2026
  4. Floyd on How would I convert the plots on ezCon from ezRA (Easy Radio Astronomy Software written by Ted Cline) into dB?
  5. Floyd on Which state hosts Green Bank Observatory in the USA?

Archives

  • September 2026
  • August 2026
  • July 2026
  • June 2026
  • May 2026
  • April 2026
  • March 2026
  • February 2026
  • January 2026
  • December 2025
  • November 2025
  • October 2025
  • September 2025
  • August 2025
  • July 2025
  • June 2025
  • May 2025
  • April 2025
  • March 2025
  • February 2025
  • January 2025
  • December 2024
  • November 2024
  • October 2024
  • September 2024
  • August 2024
  • July 2024
  • June 2024
  • May 2024
  • April 2024
  • March 2024
  • February 2024
  • January 2024
  • December 2023
  • November 2023
  • October 2023
  • September 2023
  • June 2019
  • February 2019
  • April 2012

You missed

Uncategorized

Comparing 5650A Rubidium Source with LBE-1421–23/9/2026

Uncategorized

How to fix “rtlsdr module not found” error when running ezRA (Easy Radio Astronomy by Ted Cline) under Microsoft Windows

Uncategorized

Photos and video of the PCB from Ettus B210 clone I purchased from Aliexpress

Uncategorized

Comments on using Leo Bodnar LBE-1421 to produce 1 PPS output

All content is provided without any warranty of any kind. Use of the content of this website is entirely at your own risk, and we are not responsible for any injury or damage or loss of data or amenity arising from following advice in this website.

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

Astronomy observatory in Staffordshire, England.

Copyright © All rights reserved | Blog Card by Themeansar.