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.

  • 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
  • Contact me
Radio observation in hydrogen line (1420MHz)

Processing additive interferometer data 21-220124 gain 50 using ezRA

Admin January 22, 2024 No Comments

Data from 21-22/1/2024 @ LRO – 5m distance between 2 x Nooelec 1.4GHz 60x100cm mesh aerials

Radio observation in hydrogen line (1420MHz)

Lessons learnt regarding interferometer yesterday!

Admin January 14, 2024 No Comments

Interferometers need hardware bias tees for SAWBird H+ 1420MHz filters with cascaded amplifiers, (which they also need as AD8302 chip requires certain level power input on SMA connectors to work)…

Radio observation in hydrogen line (1420MHz)

Advice on how to progress with my interferometer based on AD8302 amplitude phase comparator board 8/1/2024

Admin January 8, 2024 No Comments

Correspondence with Jan Lustrup: Hi Andy…. You want to test changes of phase between the ports, not frequency! Use the same frequency generator to a 2 way power splitter. One…

Radio observation in hydrogen line (1420MHz)

Schematic of Ted Cline’s Additive Interferometer Nov 2023

Admin January 7, 2024 No Comments

Click below to view a schematic of Ted Cline’s Additive Interferometer. Andy http://astronomy.me.uk/wp-content/uploads/2024/01/Schematic-of-Ted-Clines-Additive-Interferometer-Nov-2023.pdf

Solar

Some of My Best Solar Images up to 6/1/2024

Admin January 6, 2024 No Comments

I particularly enjoy photographing the Sun. For this I use following: ZWO 174MM camera. Sky Watcher Equinox 100mm OTA. HEQ5 Pro Mount. Hinode Solar Guider. Daystar Quark Filters = usually…

Meteor detection by radio

Quadrantids peak at midday Universal Time (8pm Malaysian Time) on 4th January 2024 according to LRO meteor scatter data 143.050MHz

Admin January 5, 2024 No Comments
Meteor detection by radio

LRO Radio Meteor Scatter Experiment shows rise in meteor count with Quandrantid Meteor Shower 4/1/2024

Admin January 4, 2024 No Comments

Demonstrating the apparatus works, which I am glad to hear! The RMOB upload below (LRO data) shows clear increasing meteor detection count from Graves 143.050MHz USB over last 24 hours…

Radio observation in hydrogen line (1420MHz)

Demonstrating likely presence of dark matter in Milky Way at LRO

Admin December 30, 2023 No Comments

The two slides below show velocity and mass distribution of Milky Way from LRO data 30/12/2023. Andy

Observing Night Sky

Telescope storage boxes sold at B&M in UK

Admin December 30, 2023 No Comments

aka Christmas Tree storage box – made by Really Useful Box.

Radio observation in hydrogen line (1420MHz)

Schematic LRO AD8302-based Radio Interferometer 26/12/23

Admin December 27, 2023 No Comments

Posts pagination

1 … 125 126 127 … 133

« 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
  • Computer equipment for astronomy
  • Easy Radio Astronomy Software (ezRA)
  • Ettus B210 Software-Defined Radio
  • Frequencies
  • GNU Radio
  • Hardware
  • International Space Station (ISS)
  • Introduction
  • JSol'Ex
  • Jupiter Radio Astronomy
  • KerberosSDR & Raspberry PI
  • Leo Bodnar GPSDO (GPS-Disciplined Oscillator)
  • 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
  • Measuring time in astronomy
  • Meteor detection by radio
  • Michel Safir
  • Microscopy
  • Minolta AF 85mm F1.4 camera lens
  • Multimeters
  • Muon Detection
  • My interests in astronomy
  • NanoVNA
  • Non-astronomy posts
  • Nooelec SAWBird LNAs
  • Observing Night Sky
  • Photography
  • PixInsight
  • Poetry & Songs
  • Pulsars
  • Radio Astronomy
  • Radio Interferometry
  • Radio observation in hydrogen line (1420MHz)
  • Rubidium Time Standard
  • 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)
  • Walsall Astronomy Group
  • Waveguides
  • Weather
  • Website management
  • Whisper Software
  • Windows
  • Wordpress

Recent Posts

  • Is it possible to compile a GNU Radio flowgraph into a stand alone application?
  • What is frequency does Sky satellite dishes in the UK send down to receiver?
  • ARAS Live Observatory hydrogen line page
  • Testing the two 5650A rubidium time sources I have purchased from AliExpress by comparing them to Leo Bodnar GPSDO on 9 October 2026, with the two 5650A devices attached to a large aluminium heat sink.
  • Independently Testing each of the two KrakenRF Discovery Dishes & Discovery Hydrogen Line feeds at LRO used for interferometry 6-9 October 2026

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

  • October 2026
  • 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

Is it possible to compile a GNU Radio flowgraph into a stand alone application?

Uncategorized

What is frequency does Sky satellite dishes in the UK send down to receiver?

Uncategorized

ARAS Live Observatory hydrogen line page

Uncategorized

Testing the two 5650A rubidium time sources I have purchased from AliExpress by comparing them to Leo Bodnar GPSDO on 9 October 2026, with the two 5650A devices attached to a large aluminium heat sink.

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.