Skip to content

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

Astronomy observatory in Staffordshire, England.

  • Calculators
  • Contact me
  • Equipment List at Lichfield Radio Observatory
  • Grafana Dashboard Cosmic Watch Detectors
  • History and description of Lichfield Radio Observatory (LRO)
  • Links to other SID monitoring sites
  • Live data from UKRAA Sudden Ionospheric Disturbance Monitor at LRO (SIDs)
  • Live feed from SuperSID monitor
  • Live feed from UKRAA CosmicWatch Muon Detectors
  • Live feed from UKRAA Magnetometer
  • Live feed from UKRAA PicoMuon Muon Detector
  • Live feeds at Lichfield Radio Observatory (LRO)
  • Live Radio meteor observations and meteor counts
  • Live stream from 1420MHz hydrogen-line 86cm Ptarmigan Triffid Dipole Array
  • Privacy Policy
  • Publications & Presentations
  • SHOOS - SARA Hydrogen-Observing Overall Survey

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

Astronomy observatory in Staffordshire, England.

  • Calculators
  • Contact me
  • Equipment List at Lichfield Radio Observatory
  • Grafana Dashboard Cosmic Watch Detectors
  • History and description of Lichfield Radio Observatory (LRO)
  • Links to other SID monitoring sites
  • Live data from UKRAA Sudden Ionospheric Disturbance Monitor at LRO (SIDs)
  • Live feed from SuperSID monitor
  • Live feed from UKRAA CosmicWatch Muon Detectors
  • Live feed from UKRAA Magnetometer
  • Live feed from UKRAA PicoMuon Muon Detector
  • Live feeds at Lichfield Radio Observatory (LRO)
  • Live Radio meteor observations and meteor counts
  • Live stream from 1420MHz hydrogen-line 86cm Ptarmigan Triffid Dipole Array
  • Privacy Policy
  • Publications & Presentations
  • SHOOS - SARA Hydrogen-Observing Overall Survey
Uncategorized
November 26, 2025 Admin

How does the radio frequency SAW filter in a Nooelec SAWBird LNA and filter?

In the SAWBird line of LNAs (e.g., for 1420 MHz, GPS, L-band), the SAW filter is the component that provides the ultra-narrow

Read more
Uncategorized
November 26, 2025 Admin

What is spillover vs ground reflection in radio astronomy?

In a radio telescope’s noise budget, spillover and ground reflection are two distinct ways unwanted radiation enters your receiver. They’re related but

Read more
Uncategorized
November 26, 2025 Admin

How to generate a disc image from my Raspberry PI 4B?

You can get a Raspberry Pi disk image in a few different ways depending on what you mean: 1. Downloading

Read more
Uncategorized
November 24, 2025 Admin

What difference does choice of material make with regards to construction of antennas?

Material choice affects an antenna’s efficiency, bandwidth, durability, and mechanical practicality. Here’s a concise breakdown of what really matters: 1.

Read more
Uncategorized
November 24, 2025 Admin

Is it benefitial to ensure that low noise amplifier and filter (LNA) for hydrogen line observing is at a constant temperature?

Andrew Thornett: I could see potential benefit for having LNA at constant temperature. The easiest way to achieve that is

Read more
Uncategorized
November 24, 2025 Admin

What is most expensive low noise amplifier and/or filter available for hydrogen line radio astronomy?

Short answer: the most expensive single-component front-end parts used for 1.420 GHz (H-line) work are cryogenic HEMT/InP LNAs and the associated cryogenic

Read more
Uncategorized
November 24, 2025 Admin

Pulsars don’t have a single “pulsar frequency” the way spectral lines do.

Pulsars don’t have a single “pulsar frequency” the way spectral lines do — instead they emit broadband radio noise with periodic

Read more
USRP B210 Software-Defined Radio
November 23, 2025 Admin

Device addresses (USRP B210 Software-defined radio) on LRO-24 on 22/11/2025

Read more
Linux for Radio Astronomy
November 23, 2025 Admin

Ted Cline’s Python command to set up basic tools for RA on Linux

sudo apt install git cmake build-essential gqrx-sdr cubicsdr libsoapysdr-dev soapysdr-tools gr-osmosdr uhd-soapysdr

Read more
Uncategorized
November 23, 2025 Admin

Description of SAWBird H1+ LNA from Nooelec’s own website 23/11/2025

This might be of interest to folks interested in amateur hydrogen line radio astronomy – it is the description of

Read more
  • ← Previous
  • Next →

Recent Posts

  • How to add a shortcut to a folder on Linux Ubuntu Desktop
  • How to close Snap Store Apps to allow SNAP to update in Linux Ubuntu
  • GNC Flowcharts from Brett for USRP B210 SDR & Video Training links for GNC (GNU Radio Companion)
  • What does following product do? RFandEMF TM-195: 3 Axis High Frequency/RF Measurement, EMF Meter covers 50MHz – 3.5GHz
  • How to avoid audio clashes GNU Radio with other devices using the audio stream on the computer running the software

Recent Comments

  1. Andrew Thornetr on Draft USRP B210 Software-Defined Radio Interferometer GNU Radio Companion Script 15/11/2025
  2. Alex Pettit on Compare the performance of 80cm, 90cm, 100cm, 110cm, 110cm, 140cm, 150cm, 180cm, 240cm, 300cm, 500cm, 1000cm dishes for 1420MHz amateur radioastronomy
  3. Admin on What are best specifications for cavity filters for 1420 MHz Hydrogen Line work?
  4. Alex Pettit on What are best specifications for cavity filters for 1420 MHz Hydrogen Line work?
  5. Marcus D. Leech on What are best specifications for cavity filters for 1420 MHz Hydrogen Line work?

Archives

  • 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

Categories

  • 20 Metre Skynet Radio Dish at Green Bank Observatory
  • Aerials & Antennae
  • Astronomy Art
  • Astrophotography
  • Attending & talking at conferences and workshops
  • Aurorae Boreolis
  • Building radio telescopes
  • Cartoons
  • Cloud Chambers
  • Computer equipment for astronomy
  • Frequencies
  • Geoptik Nadirus 2BW Digital Setting Circles
  • GNU Radio
  • Hardware
  • International Space Station (ISS)
  • Introduction
  • KerberosSDR & Raspberry PI
  • Lichfield Radio Observatory (LRO) & its Equipment
  • Linux for Radio Astronomy
  • Magnetometer
  • Making own Image Intensified Eyepieces
  • Maser Radio Observations
  • Meteor detection by radio
  • Michel Safir
  • Microscopy
  • Multimeters
  • Muon Detection
  • My interests in astronomy
  • Night Sky Talks
  • Non-astronomy posts
  • Observing Night Sky
  • Poetry & Songs
  • Radio Astronomy
  • Radio Interferometry
  • Radio observation in hydrogen line (1420MHz)
  • SARA
  • Science Fiction
  • SDRplay RSPduo Software-Defined Radio (SDR)
  • Seestar S50 Telescope
  • Settings Radio Meteor Scatter Experiment
  • Software
  • Solar
  • Solar Cooker 1.5m Parabolic Dish Radio Telescope
  • Spectroscopy
  • Testing radio astronomy equipment
  • Uncategorized
  • USRP B210 Software-Defined Radio
  • VLF Radio Detection of SIDs (Very low Frequency detection of Sudden Ionospheric Disturbances)
  • Website management

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.

Copyright © 2025 astronomy.me.uk The Website of Lichfield Radio Astronomy Observatory (LRO). Powered by ColorMag and WordPress.